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Finding the Fourth Proportional to 54,061.52, 81,092.09 and 14,618.63

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Solution

The fourth proportional to 54,061.52, 81,092.09 and 14,618.63 is: 21,927.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,061.52 : 81,092.09 = 14,618.63 : x
  2. Step 2: Convert to fraction form
    54,061.52/81,092.09 = 14,618.63/x
  3. Step 3: Cross multiply
    54,061.52x = 81,092.09 × 14,618.63
  4. Step 4: Simplify right side
    54,061.52x = 1,185,454,781.08
  5. Step 5: Solve for x
    x = 1,185,454,781.08/54,061.52
  6. Step 6: Final answer
    x = 21,927.89

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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.