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Finding the Fourth Proportional to 69,177.87, 95,470.11 and 38,555.73

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Solution

The fourth proportional to 69,177.87, 95,470.11 and 38,555.73 is: 53,209.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,177.87 : 95,470.11 = 38,555.73 : x
  2. Step 2: Convert to fraction form
    69,177.87/95,470.11 = 38,555.73/x
  3. Step 3: Cross multiply
    69,177.87x = 95,470.11 × 38,555.73
  4. Step 4: Simplify right side
    69,177.87x = 3,680,919,784.23
  5. Step 5: Solve for x
    x = 3,680,919,784.23/69,177.87
  6. Step 6: Final answer
    x = 53,209.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.