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Finding the Fourth Proportional to 63,479.47, 95,220.02 and 28,411.87

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Solution

The fourth proportional to 63,479.47, 95,220.02 and 28,411.87 is: 42,618.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,479.47 : 95,220.02 = 28,411.87 : x
  2. Step 2: Convert to fraction form
    63,479.47/95,220.02 = 28,411.87/x
  3. Step 3: Cross multiply
    63,479.47x = 95,220.02 × 28,411.87
  4. Step 4: Simplify right side
    63,479.47x = 2,705,378,829.64
  5. Step 5: Solve for x
    x = 2,705,378,829.64/63,479.47
  6. Step 6: Final answer
    x = 42,618.17

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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.