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Finding the Fourth Proportional to 8,049.62, 12,073.41 and 3,115.89

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Solution

The fourth proportional to 8,049.62, 12,073.41 and 3,115.89 is: 4,673.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,049.62 : 12,073.41 = 3,115.89 : x
  2. Step 2: Convert to fraction form
    8,049.62/12,073.41 = 3,115.89/x
  3. Step 3: Cross multiply
    8,049.62x = 12,073.41 × 3,115.89
  4. Step 4: Simplify right side
    8,049.62x = 37,619,417.48
  5. Step 5: Solve for x
    x = 37,619,417.48/8,049.62
  6. Step 6: Final answer
    x = 4,673.44

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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.