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Finding the Fourth Proportional to 11,253.92, 16,876.02 and 3,859.10

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Solution

The fourth proportional to 11,253.92, 16,876.02 and 3,859.10 is: 5,786.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,253.92 : 16,876.02 = 3,859.10 : x
  2. Step 2: Convert to fraction form
    11,253.92/16,876.02 = 3,859.10/x
  3. Step 3: Cross multiply
    11,253.92x = 16,876.02 × 3,859.10
  4. Step 4: Simplify right side
    11,253.92x = 65,126,248.78
  5. Step 5: Solve for x
    x = 65,126,248.78/11,253.92
  6. Step 6: Final answer
    x = 5,786.98

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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.