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Finding the Fourth Proportional to 29,691.80, 44,538.24 and 13,892.48

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Solution

The fourth proportional to 29,691.80, 44,538.24 and 13,892.48 is: 20,838.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,691.80 : 44,538.24 = 13,892.48 : x
  2. Step 2: Convert to fraction form
    29,691.80/44,538.24 = 13,892.48/x
  3. Step 3: Cross multiply
    29,691.80x = 44,538.24 × 13,892.48
  4. Step 4: Simplify right side
    29,691.80x = 618,746,608.44
  5. Step 5: Solve for x
    x = 618,746,608.44/29,691.80
  6. Step 6: Final answer
    x = 20,838.97

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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.