Finding the Fourth Proportional to 74,369.75, 111,530.97 and 24,438.29
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Solution
The fourth proportional to 74,369.75, 111,530.97 and 24,438.29 is: 36,649.66
Step by Step Solution
- Step 1: Write the proportion equation
74,369.75 : 111,530.97 = 24,438.29 : x - Step 2: Convert to fraction form
74,369.75/111,530.97 = 24,438.29/x - Step 3: Cross multiply
74,369.75x = 111,530.97 × 24,438.29 - Step 4: Simplify right side
74,369.75x = 2,725,625,631.19 - Step 5: Solve for x
x = 2,725,625,631.19/74,369.75 - Step 6: Final answer
x = 36,649.66
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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.