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Finding the Fourth Proportional to 63,564.48, 87,727.68 and 38,422.08

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Solution

The fourth proportional to 63,564.48, 87,727.68 and 38,422.08 is: 53,027.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,564.48 : 87,727.68 = 38,422.08 : x
  2. Step 2: Convert to fraction form
    63,564.48/87,727.68 = 38,422.08/x
  3. Step 3: Cross multiply
    63,564.48x = 87,727.68 × 38,422.08
  4. Step 4: Simplify right side
    63,564.48x = 3,370,679,939.17
  5. Step 5: Solve for x
    x = 3,370,679,939.17/63,564.48
  6. Step 6: Final answer
    x = 53,027.73

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.