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Finding the Fourth Proportional to 47,666.70, 71,500.05 and 36,629.10

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Solution

The fourth proportional to 47,666.70, 71,500.05 and 36,629.10 is: 54,943.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,666.70 : 71,500.05 = 36,629.10 : x
  2. Step 2: Convert to fraction form
    47,666.70/71,500.05 = 36,629.10/x
  3. Step 3: Cross multiply
    47,666.70x = 71,500.05 × 36,629.10
  4. Step 4: Simplify right side
    47,666.70x = 2,618,982,481.46
  5. Step 5: Solve for x
    x = 2,618,982,481.46/47,666.70
  6. Step 6: Final answer
    x = 54,943.65

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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.