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Finding the Fourth Proportional to 87,805.31, 131,737.53 and 27,843.59

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Solution

The fourth proportional to 87,805.31, 131,737.53 and 27,843.59 is: 41,774.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,805.31 : 131,737.53 = 27,843.59 : x
  2. Step 2: Convert to fraction form
    87,805.31/131,737.53 = 27,843.59/x
  3. Step 3: Cross multiply
    87,805.31x = 131,737.53 × 27,843.59
  4. Step 4: Simplify right side
    87,805.31x = 3,668,045,772.93
  5. Step 5: Solve for x
    x = 3,668,045,772.93/87,805.31
  6. Step 6: Final answer
    x = 41,774.76

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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.