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Finding the Fourth Proportional to 17,163.92, 25,731.28 and 16,347.44

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Solution

The fourth proportional to 17,163.92, 25,731.28 and 16,347.44 is: 24,507.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,163.92 : 25,731.28 = 16,347.44 : x
  2. Step 2: Convert to fraction form
    17,163.92/25,731.28 = 16,347.44/x
  3. Step 3: Cross multiply
    17,163.92x = 25,731.28 × 16,347.44
  4. Step 4: Simplify right side
    17,163.92x = 420,640,555.92
  5. Step 5: Solve for x
    x = 420,640,555.92/17,163.92
  6. Step 6: Final answer
    x = 24,507.25

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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.