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Finding the Fourth Proportional to 17,932.90, 26,902.99 and 6,247.03

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Solution

The fourth proportional to 17,932.90, 26,902.99 and 6,247.03 is: 9,371.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,932.90 : 26,902.99 = 6,247.03 : x
  2. Step 2: Convert to fraction form
    17,932.90/26,902.99 = 6,247.03/x
  3. Step 3: Cross multiply
    17,932.90x = 26,902.99 × 6,247.03
  4. Step 4: Simplify right side
    17,932.90x = 168,063,785.62
  5. Step 5: Solve for x
    x = 168,063,785.62/17,932.90
  6. Step 6: Final answer
    x = 9,371.81

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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.