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Finding the Fourth Proportional to 8,251.46, 12,379.18 and 2,704.92

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Solution

The fourth proportional to 8,251.46, 12,379.18 and 2,704.92 is: 4,058.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,251.46 : 12,379.18 = 2,704.92 : x
  2. Step 2: Convert to fraction form
    8,251.46/12,379.18 = 2,704.92/x
  3. Step 3: Cross multiply
    8,251.46x = 12,379.18 × 2,704.92
  4. Step 4: Simplify right side
    8,251.46x = 33,484,691.57
  5. Step 5: Solve for x
    x = 33,484,691.57/8,251.46
  6. Step 6: Final answer
    x = 4,058.03

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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.