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Finding the Fourth Proportional to 17,022.88, 25,480.88 and 10,761.28

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Solution

The fourth proportional to 17,022.88, 25,480.88 and 10,761.28 is: 16,108.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,022.88 : 25,480.88 = 10,761.28 : x
  2. Step 2: Convert to fraction form
    17,022.88/25,480.88 = 10,761.28/x
  3. Step 3: Cross multiply
    17,022.88x = 25,480.88 × 10,761.28
  4. Step 4: Simplify right side
    17,022.88x = 274,206,884.33
  5. Step 5: Solve for x
    x = 274,206,884.33/17,022.88
  6. Step 6: Final answer
    x = 16,108.14

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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.