Finding the Fourth Proportional to 74,412.12, 111,625.26 and 24,492.66
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Solution
The fourth proportional to 74,412.12, 111,625.26 and 24,492.66 is: 36,741.32
Step by Step Solution
- Step 1: Write the proportion equation
74,412.12 : 111,625.26 = 24,492.66 : x - Step 2: Convert to fraction form
74,412.12/111,625.26 = 24,492.66/x - Step 3: Cross multiply
74,412.12x = 111,625.26 × 24,492.66 - Step 4: Simplify right side
74,412.12x = 2,733,999,540.59 - Step 5: Solve for x
x = 2,733,999,540.59/74,412.12 - Step 6: Final answer
x = 36,741.32
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.