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Finding the Fourth Proportional to 8,517.88, 11,754.54 and 4,741

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Solution

The fourth proportional to 8,517.88, 11,754.54 and 4,741 is: 6,542.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,517.88 : 11,754.54 = 4,741 : x
  2. Step 2: Convert to fraction form
    8,517.88/11,754.54 = 4,741/x
  3. Step 3: Cross multiply
    8,517.88x = 11,754.54 × 4,741
  4. Step 4: Simplify right side
    8,517.88x = 55,728,274.14
  5. Step 5: Solve for x
    x = 55,728,274.14/8,517.88
  6. Step 6: Final answer
    x = 6,542.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.