Finding the Fourth Proportional to 75,640.50, 113,473.07 and 22,337.88
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Solution
The fourth proportional to 75,640.50, 113,473.07 and 22,337.88 is: 33,510.45
Step by Step Solution
- Step 1: Write the proportion equation
75,640.50 : 113,473.07 = 22,337.88 : x - Step 2: Convert to fraction form
75,640.50/113,473.07 = 22,337.88/x - Step 3: Cross multiply
75,640.50x = 113,473.07 × 22,337.88 - Step 4: Simplify right side
75,640.50x = 2,534,747,451.21 - Step 5: Solve for x
x = 2,534,747,451.21/75,640.50 - Step 6: Final answer
x = 33,510.45
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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.