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Finding the Fourth Proportional to 83,793.06, 125,662.87 and 27,622.70

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Solution

The fourth proportional to 83,793.06, 125,662.87 and 27,622.70 is: 41,425.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,793.06 : 125,662.87 = 27,622.70 : x
  2. Step 2: Convert to fraction form
    83,793.06/125,662.87 = 27,622.70/x
  3. Step 3: Cross multiply
    83,793.06x = 125,662.87 × 27,622.70
  4. Step 4: Simplify right side
    83,793.06x = 3,471,147,759.15
  5. Step 5: Solve for x
    x = 3,471,147,759.15/83,793.06
  6. Step 6: Final answer
    x = 41,425.24

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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.