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Finding the Fourth Proportional to 57,337.76, 86,023.92 and 17,899.04

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Solution

The fourth proportional to 57,337.76, 86,023.92 and 17,899.04 is: 26,853.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,337.76 : 86,023.92 = 17,899.04 : x
  2. Step 2: Convert to fraction form
    57,337.76/86,023.92 = 17,899.04/x
  3. Step 3: Cross multiply
    57,337.76x = 86,023.92 × 17,899.04
  4. Step 4: Simplify right side
    57,337.76x = 1,539,745,585.04
  5. Step 5: Solve for x
    x = 1,539,745,585.04/57,337.76
  6. Step 6: Final answer
    x = 26,853.95

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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.