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Finding the Fourth Proportional to 11,358.64, 17,037.92 and 3,963.04

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Solution

The fourth proportional to 11,358.64, 17,037.92 and 3,963.04 is: 5,944.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,358.64 : 17,037.92 = 3,963.04 : x
  2. Step 2: Convert to fraction form
    11,358.64/17,037.92 = 3,963.04/x
  3. Step 3: Cross multiply
    11,358.64x = 17,037.92 × 3,963.04
  4. Step 4: Simplify right side
    11,358.64x = 67,521,958.48
  5. Step 5: Solve for x
    x = 67,521,958.48/11,358.64
  6. Step 6: Final answer
    x = 5,944.55

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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.