Finding the Fourth Proportional to 75,217.96, 103,801.92 and 41,226.18
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Solution
The fourth proportional to 75,217.96, 103,801.92 and 41,226.18 is: 56,892.75
Step by Step Solution
- Step 1: Write the proportion equation
75,217.96 : 103,801.92 = 41,226.18 : x - Step 2: Convert to fraction form
75,217.96/103,801.92 = 41,226.18/x - Step 3: Cross multiply
75,217.96x = 103,801.92 × 41,226.18 - Step 4: Simplify right side
75,217.96x = 4,279,356,352.07 - Step 5: Solve for x
x = 4,279,356,352.07/75,217.96 - Step 6: Final answer
x = 56,892.75
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.