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Finding the Fourth Proportional to 8,282.66, 12,408.19 and 5,500.91

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Solution

The fourth proportional to 8,282.66, 12,408.19 and 5,500.91 is: 8,240.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,282.66 : 12,408.19 = 5,500.91 : x
  2. Step 2: Convert to fraction form
    8,282.66/12,408.19 = 5,500.91/x
  3. Step 3: Cross multiply
    8,282.66x = 12,408.19 × 5,500.91
  4. Step 4: Simplify right side
    8,282.66x = 68,256,353.72
  5. Step 5: Solve for x
    x = 68,256,353.72/8,282.66
  6. Step 6: Final answer
    x = 8,240.88

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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.