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Finding the Fourth Proportional to 17,659.77, 26,463.74 and 8,882.61

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Solution

The fourth proportional to 17,659.77, 26,463.74 and 8,882.61 is: 13,310.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,659.77 : 26,463.74 = 8,882.61 : x
  2. Step 2: Convert to fraction form
    17,659.77/26,463.74 = 8,882.61/x
  3. Step 3: Cross multiply
    17,659.77x = 26,463.74 × 8,882.61
  4. Step 4: Simplify right side
    17,659.77x = 235,067,037.15
  5. Step 5: Solve for x
    x = 235,067,037.15/17,659.77
  6. Step 6: Final answer
    x = 13,310.88

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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.