Finding the Fourth Proportional to 77,225.10, 115,812.96 and 24,622.26
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Solution
The fourth proportional to 77,225.10, 115,812.96 and 24,622.26 is: 36,925.52
Step by Step Solution
- Step 1: Write the proportion equation
77,225.10 : 115,812.96 = 24,622.26 : x - Step 2: Convert to fraction form
77,225.10/115,812.96 = 24,622.26/x - Step 3: Cross multiply
77,225.10x = 115,812.96 × 24,622.26 - Step 4: Simplify right side
77,225.10x = 2,851,576,812.49 - Step 5: Solve for x
x = 2,851,576,812.49/77,225.10 - Step 6: Final answer
x = 36,925.52
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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.