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Finding the Fourth Proportional to 11,401, 17,102.46 and 3,193

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Solution

The fourth proportional to 11,401, 17,102.46 and 3,193 is: 4,789.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,401 : 17,102.46 = 3,193 : x
  2. Step 2: Convert to fraction form
    11,401/17,102.46 = 3,193/x
  3. Step 3: Cross multiply
    11,401x = 17,102.46 × 3,193
  4. Step 4: Simplify right side
    11,401x = 54,608,154.78
  5. Step 5: Solve for x
    x = 54,608,154.78/11,401
  6. Step 6: Final answer
    x = 4,789.77

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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.