This math video tutorial provides a basic introduction into ratio and proportion word problems. Here is a list of examples and practice problems:
Percentage Word Problems: https://www.youtube.com/watch?v=kjpwBu6DmkM
Unit Rates, Ratios, & Proportions:
https://www.youtube.com/watch?v=s0RBRkehzwo
Ratios and Proportions - Word Problems:
https://www.youtube.com/watch?v=JOZSFwuyqok
Ratios and Proportions - SAT Math:
https://www.youtube.com/watch?v=Y4fgwWEGQlg
Ratios and Proportions - Mean & Geometry:
https://www.youtube.com/watch?v=tFCrFa0mDi4
__________________________________
Acid Mixture Word Problems:
https://www.youtube.com/watch?v=e2FAAMlAJ3c
Translating Words to Algebraic Expressions:
https://www.youtube.com/watch?v=QEnFIgN8UBw
Words to Equations - More Problems:
https://www.youtube.com/watch?v=VjPX-XlN7Ok
Consecutive Integers Word Problems:
https://www.youtube.com/watch?v=hPnoxAf60c0
Age Word Problems - Past, Present, Future:
https://www.youtube.com/watch?v=7x7Hl9ztYbk
__________________________________
Final Exams and Video Playlists:
https://www.video-tutor.net/