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Finding the Fourth Proportional to 11,882.43, 17,774.41 and 10,799.87

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Solution

The fourth proportional to 11,882.43, 17,774.41 and 10,799.87 is: 16,155.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,882.43 : 17,774.41 = 10,799.87 : x
  2. Step 2: Convert to fraction form
    11,882.43/17,774.41 = 10,799.87/x
  3. Step 3: Cross multiply
    11,882.43x = 17,774.41 × 10,799.87
  4. Step 4: Simplify right side
    11,882.43x = 191,961,174.46
  5. Step 5: Solve for x
    x = 191,961,174.46/11,882.43
  6. Step 6: Final answer
    x = 16,155.04

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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.