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Finding the Fourth Proportional to 54,327, 81,502.02 and 16,886.10

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Solution

The fourth proportional to 54,327, 81,502.02 and 16,886.10 is: 25,332.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,327 : 81,502.02 = 16,886.10 : x
  2. Step 2: Convert to fraction form
    54,327/81,502.02 = 16,886.10/x
  3. Step 3: Cross multiply
    54,327x = 81,502.02 × 16,886.10
  4. Step 4: Simplify right side
    54,327x = 1,376,251,259.92
  5. Step 5: Solve for x
    x = 1,376,251,259.92/54,327
  6. Step 6: Final answer
    x = 25,332.73

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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.