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Finding the Fourth Proportional to 17,481.60, 26,232 and 8,247.36

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Solution

The fourth proportional to 17,481.60, 26,232 and 8,247.36 is: 12,375.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,481.60 : 26,232 = 8,247.36 : x
  2. Step 2: Convert to fraction form
    17,481.60/26,232 = 8,247.36/x
  3. Step 3: Cross multiply
    17,481.60x = 26,232 × 8,247.36
  4. Step 4: Simplify right side
    17,481.60x = 216,344,747.52
  5. Step 5: Solve for x
    x = 216,344,747.52/17,481.60
  6. Step 6: Final answer
    x = 12,375.57

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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.