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Finding the Fourth Proportional to 36,565.43, 54,863.17 and 18,787.22

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Solution

The fourth proportional to 36,565.43, 54,863.17 and 18,787.22 is: 28,188.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,565.43 : 54,863.17 = 18,787.22 : x
  2. Step 2: Convert to fraction form
    36,565.43/54,863.17 = 18,787.22/x
  3. Step 3: Cross multiply
    36,565.43x = 54,863.17 × 18,787.22
  4. Step 4: Simplify right side
    36,565.43x = 1,030,726,123.40
  5. Step 5: Solve for x
    x = 1,030,726,123.40/36,565.43
  6. Step 6: Final answer
    x = 28,188.54

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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.