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which pair of ratios forms a proportion?
1. 4/5 and 16/24
2. 9/15 and 3/4
3. 5/8 and 30/48
4. 9/10 and 40/45

3/4 ÷ 3/4

step-by-step explanation:

basically divide any proper fraction with itself to fit the criteria.

so if we are using 3/4, then:

3/4 ÷ 3/4 = 1

so 1 is the quotient.

and the numerators for both these fractions is 3.   and if we divide the numerators:

3 ÷ 3 = 1

we see that quotient is equal to our original quotient as well.