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Finding the Fourth Proportional to 3,956.28, 5,934.64 and 3,375.34

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Solution

The fourth proportional to 3,956.28, 5,934.64 and 3,375.34 is: 5,063.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,956.28 : 5,934.64 = 3,375.34 : x
  2. Step 2: Convert to fraction form
    3,956.28/5,934.64 = 3,375.34/x
  3. Step 3: Cross multiply
    3,956.28x = 5,934.64 × 3,375.34
  4. Step 4: Simplify right side
    3,956.28x = 20,031,427.78
  5. Step 5: Solve for x
    x = 20,031,427.78/3,956.28
  6. Step 6: Final answer
    x = 5,063.20

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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.