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Finding the Fourth Proportional to 63,855.81, 95,772.78 and 18,260.37

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Solution

The fourth proportional to 63,855.81, 95,772.78 and 18,260.37 is: 27,387.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,855.81 : 95,772.78 = 18,260.37 : x
  2. Step 2: Convert to fraction form
    63,855.81/95,772.78 = 18,260.37/x
  3. Step 3: Cross multiply
    63,855.81x = 95,772.78 × 18,260.37
  4. Step 4: Simplify right side
    63,855.81x = 1,748,846,398.73
  5. Step 5: Solve for x
    x = 1,748,846,398.73/63,855.81
  6. Step 6: Final answer
    x = 27,387.43

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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.