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Finding the Fourth Proportional to 69,040.70, 95,276.72 and 38,414.24

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Solution

The fourth proportional to 69,040.70, 95,276.72 and 38,414.24 is: 53,011.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,040.70 : 95,276.72 = 38,414.24 : x
  2. Step 2: Convert to fraction form
    69,040.70/95,276.72 = 38,414.24/x
  3. Step 3: Cross multiply
    69,040.70x = 95,276.72 × 38,414.24
  4. Step 4: Simplify right side
    69,040.70x = 3,659,982,788.49
  5. Step 5: Solve for x
    x = 3,659,982,788.49/69,040.70
  6. Step 6: Final answer
    x = 53,011.96

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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.