How do you apply proportional reasoning

Steps:

1.Introduce
2.Research
3.organize
3.present
4.Evaluate

Explain:

Use ratio language to describe a ratio relationship between to quantities.
Use rate language in the context of a ratio relationships.
Use ratio and rate reasoning to solve real-world and mathematical problems.
Recognize and represent proportional reasoning between quantities.
Use proportional reasoning to solve multi step ratio and percent problems.