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Finding the Fourth Proportional to 25,767.52, 38,654.24 and 9,124

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Solution

The fourth proportional to 25,767.52, 38,654.24 and 9,124 is: 13,687.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,767.52 : 38,654.24 = 9,124 : x
  2. Step 2: Convert to fraction form
    25,767.52/38,654.24 = 9,124/x
  3. Step 3: Cross multiply
    25,767.52x = 38,654.24 × 9,124
  4. Step 4: Simplify right side
    25,767.52x = 352,681,285.76
  5. Step 5: Solve for x
    x = 352,681,285.76/25,767.52
  6. Step 6: Final answer
    x = 13,687.05

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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.