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Finding the Fourth Proportional to 57,687.39, 86,540.24 and 24,407.71

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Solution

The fourth proportional to 57,687.39, 86,540.24 and 24,407.71 is: 36,615.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,687.39 : 86,540.24 = 24,407.71 : x
  2. Step 2: Convert to fraction form
    57,687.39/86,540.24 = 24,407.71/x
  3. Step 3: Cross multiply
    57,687.39x = 86,540.24 × 24,407.71
  4. Step 4: Simplify right side
    57,687.39x = 2,112,248,526.51
  5. Step 5: Solve for x
    x = 2,112,248,526.51/57,687.39
  6. Step 6: Final answer
    x = 36,615.43

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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.