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Finding the Fourth Proportional to 47,800.79, 71,701.17 and 22,764.93

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Solution

The fourth proportional to 47,800.79, 71,701.17 and 22,764.93 is: 34,147.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,800.79 : 71,701.17 = 22,764.93 : x
  2. Step 2: Convert to fraction form
    47,800.79/71,701.17 = 22,764.93/x
  3. Step 3: Cross multiply
    47,800.79x = 71,701.17 × 22,764.93
  4. Step 4: Simplify right side
    47,800.79x = 1,632,272,115.97
  5. Step 5: Solve for x
    x = 1,632,272,115.97/47,800.79
  6. Step 6: Final answer
    x = 34,147.39

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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.