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Finding the Fourth Proportional to 17,351.91, 26,023.97 and 7,982.93

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Solution

The fourth proportional to 17,351.91, 26,023.97 and 7,982.93 is: 11,972.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,351.91 : 26,023.97 = 7,982.93 : x
  2. Step 2: Convert to fraction form
    17,351.91/26,023.97 = 7,982.93/x
  3. Step 3: Cross multiply
    17,351.91x = 26,023.97 × 7,982.93
  4. Step 4: Simplify right side
    17,351.91x = 207,747,360.80
  5. Step 5: Solve for x
    x = 207,747,360.80/17,351.91
  6. Step 6: Final answer
    x = 11,972.59

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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.