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Finding the Fourth Proportional to 10,754.68, 16,131.68 and 2,963.43

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Solution

The fourth proportional to 10,754.68, 16,131.68 and 2,963.43 is: 4,445.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,754.68 : 16,131.68 = 2,963.43 : x
  2. Step 2: Convert to fraction form
    10,754.68/16,131.68 = 2,963.43/x
  3. Step 3: Cross multiply
    10,754.68x = 16,131.68 × 2,963.43
  4. Step 4: Simplify right side
    10,754.68x = 47,805,023.80
  5. Step 5: Solve for x
    x = 47,805,023.80/10,754.68
  6. Step 6: Final answer
    x = 4,445.04

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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.