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Finding the Fourth Proportional to 87,797.75, 131,700.31 and 27,824.92

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Solution

The fourth proportional to 87,797.75, 131,700.31 and 27,824.92 is: 41,738.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,797.75 : 131,700.31 = 27,824.92 : x
  2. Step 2: Convert to fraction form
    87,797.75/131,700.31 = 27,824.92/x
  3. Step 3: Cross multiply
    87,797.75x = 131,700.31 × 27,824.92
  4. Step 4: Simplify right side
    87,797.75x = 3,664,550,589.73
  5. Step 5: Solve for x
    x = 3,664,550,589.73/87,797.75
  6. Step 6: Final answer
    x = 41,738.55

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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.