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Finding the Fourth Proportional to 40,277.60, 60,358.80 and 27,951.20

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Solution

The fourth proportional to 40,277.60, 60,358.80 and 27,951.20 is: 41,886.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,277.60 : 60,358.80 = 27,951.20 : x
  2. Step 2: Convert to fraction form
    40,277.60/60,358.80 = 27,951.20/x
  3. Step 3: Cross multiply
    40,277.60x = 60,358.80 × 27,951.20
  4. Step 4: Simplify right side
    40,277.60x = 1,687,100,890.56
  5. Step 5: Solve for x
    x = 1,687,100,890.56/40,277.60
  6. Step 6: Final answer
    x = 41,886.83

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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.