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Finding the Fourth Proportional to 54,606.52, 81,909.72 and 17,169.87

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Solution

The fourth proportional to 54,606.52, 81,909.72 and 17,169.87 is: 25,754.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,606.52 : 81,909.72 = 17,169.87 : x
  2. Step 2: Convert to fraction form
    54,606.52/81,909.72 = 17,169.87/x
  3. Step 3: Cross multiply
    54,606.52x = 81,909.72 × 17,169.87
  4. Step 4: Simplify right side
    54,606.52x = 1,406,379,001.36
  5. Step 5: Solve for x
    x = 1,406,379,001.36/54,606.52
  6. Step 6: Final answer
    x = 25,754.78

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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.