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Finding the Fourth Proportional to 54,672.62, 82,008.75 and 17,235.97

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Solution

The fourth proportional to 54,672.62, 82,008.75 and 17,235.97 is: 25,853.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,672.62 : 82,008.75 = 17,235.97 : x
  2. Step 2: Convert to fraction form
    54,672.62/82,008.75 = 17,235.97/x
  3. Step 3: Cross multiply
    54,672.62x = 82,008.75 × 17,235.97
  4. Step 4: Simplify right side
    54,672.62x = 1,413,499,944.69
  5. Step 5: Solve for x
    x = 1,413,499,944.69/54,672.62
  6. Step 6: Final answer
    x = 25,853.89

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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.