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Finding the Fourth Proportional to 17,879.97, 26,821.27 and 4,732.25

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Solution

The fourth proportional to 17,879.97, 26,821.27 and 4,732.25 is: 7,098.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,879.97 : 26,821.27 = 4,732.25 : x
  2. Step 2: Convert to fraction form
    17,879.97/26,821.27 = 4,732.25/x
  3. Step 3: Cross multiply
    17,879.97x = 26,821.27 × 4,732.25
  4. Step 4: Simplify right side
    17,879.97x = 126,924,954.96
  5. Step 5: Solve for x
    x = 126,924,954.96/17,879.97
  6. Step 6: Final answer
    x = 7,098.72

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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.