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Finding the Fourth Proportional to 63,881.76, 95,750.00 and 38,866.69

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Solution

The fourth proportional to 63,881.76, 95,750.00 and 38,866.69 is: 58,255.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,881.76 : 95,750.00 = 38,866.69 : x
  2. Step 2: Convert to fraction form
    63,881.76/95,750.00 = 38,866.69/x
  3. Step 3: Cross multiply
    63,881.76x = 95,750.00 × 38,866.69
  4. Step 4: Simplify right side
    63,881.76x = 3,721,485,100.01
  5. Step 5: Solve for x
    x = 3,721,485,100.01/63,881.76
  6. Step 6: Final answer
    x = 58,255.83

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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.