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Finding the Fourth Proportional to 8,163.08, 12,244.46 and 2,691.08

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Solution

The fourth proportional to 8,163.08, 12,244.46 and 2,691.08 is: 4,036.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,163.08 : 12,244.46 = 2,691.08 : x
  2. Step 2: Convert to fraction form
    8,163.08/12,244.46 = 2,691.08/x
  3. Step 3: Cross multiply
    8,163.08x = 12,244.46 × 2,691.08
  4. Step 4: Simplify right side
    8,163.08x = 32,950,821.42
  5. Step 5: Solve for x
    x = 32,950,821.42/8,163.08
  6. Step 6: Final answer
    x = 4,036.57

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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.