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Finding the Fourth Proportional to 63,850.80, 95,819.40 and 28,772.40

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Solution

The fourth proportional to 63,850.80, 95,819.40 and 28,772.40 is: 43,178.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,850.80 : 95,819.40 = 28,772.40 : x
  2. Step 2: Convert to fraction form
    63,850.80/95,819.40 = 28,772.40/x
  3. Step 3: Cross multiply
    63,850.80x = 95,819.40 × 28,772.40
  4. Step 4: Simplify right side
    63,850.80x = 2,756,954,104.56
  5. Step 5: Solve for x
    x = 2,756,954,104.56/63,850.80
  6. Step 6: Final answer
    x = 43,178.07

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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.