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Finding the Fourth Proportional to 57,704.67, 86,569.56 and 18,262.13

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Solution

The fourth proportional to 57,704.67, 86,569.56 and 18,262.13 is: 27,397.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,704.67 : 86,569.56 = 18,262.13 : x
  2. Step 2: Convert to fraction form
    57,704.67/86,569.56 = 18,262.13/x
  3. Step 3: Cross multiply
    57,704.67x = 86,569.56 × 18,262.13
  4. Step 4: Simplify right side
    57,704.67x = 1,580,944,125.92
  5. Step 5: Solve for x
    x = 1,580,944,125.92/57,704.67
  6. Step 6: Final answer
    x = 27,397.16

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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.