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Finding the Fourth Proportional to 8,549.97, 11,803.87 and 6,517.43

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Solution

The fourth proportional to 8,549.97, 11,803.87 and 6,517.43 is: 8,997.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,549.97 : 11,803.87 = 6,517.43 : x
  2. Step 2: Convert to fraction form
    8,549.97/11,803.87 = 6,517.43/x
  3. Step 3: Cross multiply
    8,549.97x = 11,803.87 × 6,517.43
  4. Step 4: Simplify right side
    8,549.97x = 76,930,850.65
  5. Step 5: Solve for x
    x = 76,930,850.65/8,549.97
  6. Step 6: Final answer
    x = 8,997.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.