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Finding the Fourth Proportional to 10,881.17, 16,323.20 and 5,334.70

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Solution

The fourth proportional to 10,881.17, 16,323.20 and 5,334.70 is: 8,002.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,881.17 : 16,323.20 = 5,334.70 : x
  2. Step 2: Convert to fraction form
    10,881.17/16,323.20 = 5,334.70/x
  3. Step 3: Cross multiply
    10,881.17x = 16,323.20 × 5,334.70
  4. Step 4: Simplify right side
    10,881.17x = 87,079,375.04
  5. Step 5: Solve for x
    x = 87,079,375.04/10,881.17
  6. Step 6: Final answer
    x = 8,002.76

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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.