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Finding the Fourth Proportional to 57,944.80, 86,917.20 and 44,806.60

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Solution

The fourth proportional to 57,944.80, 86,917.20 and 44,806.60 is: 67,209.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,944.80 : 86,917.20 = 44,806.60 : x
  2. Step 2: Convert to fraction form
    57,944.80/86,917.20 = 44,806.60/x
  3. Step 3: Cross multiply
    57,944.80x = 86,917.20 × 44,806.60
  4. Step 4: Simplify right side
    57,944.80x = 3,894,464,213.52
  5. Step 5: Solve for x
    x = 3,894,464,213.52/57,944.80
  6. Step 6: Final answer
    x = 67,209.90

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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.