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Finding the Fourth Proportional to 10,591.97, 15,882.90 and 3,923.89

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Solution

The fourth proportional to 10,591.97, 15,882.90 and 3,923.89 is: 5,883.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,591.97 : 15,882.90 = 3,923.89 : x
  2. Step 2: Convert to fraction form
    10,591.97/15,882.90 = 3,923.89/x
  3. Step 3: Cross multiply
    10,591.97x = 15,882.90 × 3,923.89
  4. Step 4: Simplify right side
    10,591.97x = 62,322,698.06
  5. Step 5: Solve for x
    x = 62,322,698.06/10,591.97
  6. Step 6: Final answer
    x = 5,883.96

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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.