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Finding the Fourth Proportional to 11,691.26, 17,508.22 and 10,568

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Solution

The fourth proportional to 11,691.26, 17,508.22 and 10,568 is: 15,826.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,691.26 : 17,508.22 = 10,568 : x
  2. Step 2: Convert to fraction form
    11,691.26/17,508.22 = 10,568/x
  3. Step 3: Cross multiply
    11,691.26x = 17,508.22 × 10,568
  4. Step 4: Simplify right side
    11,691.26x = 185,026,868.96
  5. Step 5: Solve for x
    x = 185,026,868.96/11,691.26
  6. Step 6: Final answer
    x = 15,826.08

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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.