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Finding the Fourth Proportional to 47,469.60, 71,142.11 and 34,930.91

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Solution

The fourth proportional to 47,469.60, 71,142.11 and 34,930.91 is: 52,350.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,469.60 : 71,142.11 = 34,930.91 : x
  2. Step 2: Convert to fraction form
    47,469.60/71,142.11 = 34,930.91/x
  3. Step 3: Cross multiply
    47,469.60x = 71,142.11 × 34,930.91
  4. Step 4: Simplify right side
    47,469.60x = 2,485,058,775.81
  5. Step 5: Solve for x
    x = 2,485,058,775.81/47,469.60
  6. Step 6: Final answer
    x = 52,350.53

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1.5x scale

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.