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Finding the Fourth Proportional to 17,229.19, 25,843.91 and 4,749.90

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Solution

The fourth proportional to 17,229.19, 25,843.91 and 4,749.90 is: 7,124.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,229.19 : 25,843.91 = 4,749.90 : x
  2. Step 2: Convert to fraction form
    17,229.19/25,843.91 = 4,749.90/x
  3. Step 3: Cross multiply
    17,229.19x = 25,843.91 × 4,749.90
  4. Step 4: Simplify right side
    17,229.19x = 122,755,988.11
  5. Step 5: Solve for x
    x = 122,755,988.11/17,229.19
  6. Step 6: Final answer
    x = 7,124.88

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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.