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Finding the Fourth Proportional to 17,251.45, 25,865.19 and 8,801.55

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Solution

The fourth proportional to 17,251.45, 25,865.19 and 8,801.55 is: 13,196.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,251.45 : 25,865.19 = 8,801.55 : x
  2. Step 2: Convert to fraction form
    17,251.45/25,865.19 = 8,801.55/x
  3. Step 3: Cross multiply
    17,251.45x = 25,865.19 × 8,801.55
  4. Step 4: Simplify right side
    17,251.45x = 227,653,763.04
  5. Step 5: Solve for x
    x = 227,653,763.04/17,251.45
  6. Step 6: Final answer
    x = 13,196.21

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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.