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Finding the Fourth Proportional to 3,960.04, 5,934.60 and 3,372

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Solution

The fourth proportional to 3,960.04, 5,934.60 and 3,372 is: 5,053.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,960.04 : 5,934.60 = 3,372 : x
  2. Step 2: Convert to fraction form
    3,960.04/5,934.60 = 3,372/x
  3. Step 3: Cross multiply
    3,960.04x = 5,934.60 × 3,372
  4. Step 4: Simplify right side
    3,960.04x = 20,011,471.20
  5. Step 5: Solve for x
    x = 20,011,471.20/3,960.04
  6. Step 6: Final answer
    x = 5,053.35

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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.