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Finding the Fourth Proportional to 29,358.60, 44,062.20 and 13,587.90

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Solution

The fourth proportional to 29,358.60, 44,062.20 and 13,587.90 is: 20,393.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,358.60 : 44,062.20 = 13,587.90 : x
  2. Step 2: Convert to fraction form
    29,358.60/44,062.20 = 13,587.90/x
  3. Step 3: Cross multiply
    29,358.60x = 44,062.20 × 13,587.90
  4. Step 4: Simplify right side
    29,358.60x = 598,712,767.38
  5. Step 5: Solve for x
    x = 598,712,767.38/29,358.60
  6. Step 6: Final answer
    x = 20,393.10

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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.