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Finding the Fourth Proportional to 17,153.54, 25,735.17 and 8,839.61

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Solution

The fourth proportional to 17,153.54, 25,735.17 and 8,839.61 is: 13,261.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,153.54 : 25,735.17 = 8,839.61 : x
  2. Step 2: Convert to fraction form
    17,153.54/25,735.17 = 8,839.61/x
  3. Step 3: Cross multiply
    17,153.54x = 25,735.17 × 8,839.61
  4. Step 4: Simplify right side
    17,153.54x = 227,488,866.08
  5. Step 5: Solve for x
    x = 227,488,866.08/17,153.54
  6. Step 6: Final answer
    x = 13,261.92

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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.