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Finding the Fourth Proportional to 54,489.56, 81,724.09 and 17,044.02

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Solution

The fourth proportional to 54,489.56, 81,724.09 and 17,044.02 is: 25,562.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,489.56 : 81,724.09 = 17,044.02 : x
  2. Step 2: Convert to fraction form
    54,489.56/81,724.09 = 17,044.02/x
  3. Step 3: Cross multiply
    54,489.56x = 81,724.09 × 17,044.02
  4. Step 4: Simplify right side
    54,489.56x = 1,392,907,013.79
  5. Step 5: Solve for x
    x = 1,392,907,013.79/54,489.56
  6. Step 6: Final answer
    x = 25,562.82

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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.