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Finding the Fourth Proportional to 17,097.80, 25,600.36 and 8,872.52

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Solution

The fourth proportional to 17,097.80, 25,600.36 and 8,872.52 is: 13,284.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,097.80 : 25,600.36 = 8,872.52 : x
  2. Step 2: Convert to fraction form
    17,097.80/25,600.36 = 8,872.52/x
  3. Step 3: Cross multiply
    17,097.80x = 25,600.36 × 8,872.52
  4. Step 4: Simplify right side
    17,097.80x = 227,139,706.11
  5. Step 5: Solve for x
    x = 227,139,706.11/17,097.80
  6. Step 6: Final answer
    x = 13,284.73

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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.