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Finding the Fourth Proportional to 6,251.99, 9,379.13 and 3,132.14

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Solution

The fourth proportional to 6,251.99, 9,379.13 and 3,132.14 is: 4,698.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,251.99 : 9,379.13 = 3,132.14 : x
  2. Step 2: Convert to fraction form
    6,251.99/9,379.13 = 3,132.14/x
  3. Step 3: Cross multiply
    6,251.99x = 9,379.13 × 3,132.14
  4. Step 4: Simplify right side
    6,251.99x = 29,376,685.68
  5. Step 5: Solve for x
    x = 29,376,685.68/6,251.99
  6. Step 6: Final answer
    x = 4,698.78

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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.