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Finding the Fourth Proportional to 63,784.65, 95,540.28 and 51,881.92

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Solution

The fourth proportional to 63,784.65, 95,540.28 and 51,881.92 is: 77,711.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,784.65 : 95,540.28 = 51,881.92 : x
  2. Step 2: Convert to fraction form
    63,784.65/95,540.28 = 51,881.92/x
  3. Step 3: Cross multiply
    63,784.65x = 95,540.28 × 51,881.92
  4. Step 4: Simplify right side
    63,784.65x = 4,956,813,163.74
  5. Step 5: Solve for x
    x = 4,956,813,163.74/63,784.65
  6. Step 6: Final answer
    x = 77,711.69

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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.