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Finding the Fourth Proportional to 8,468.11, 12,691.50 and 6,003.55

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Solution

The fourth proportional to 8,468.11, 12,691.50 and 6,003.55 is: 8,997.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,468.11 : 12,691.50 = 6,003.55 : x
  2. Step 2: Convert to fraction form
    8,468.11/12,691.50 = 6,003.55/x
  3. Step 3: Cross multiply
    8,468.11x = 12,691.50 × 6,003.55
  4. Step 4: Simplify right side
    8,468.11x = 76,194,054.83
  5. Step 5: Solve for x
    x = 76,194,054.83/8,468.11
  6. Step 6: Final answer
    x = 8,997.76

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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.