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Finding the Fourth Proportional to 3,964.66, 5,940.28 and 2,399.92

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Solution

The fourth proportional to 3,964.66, 5,940.28 and 2,399.92 is: 3,595.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,964.66 : 5,940.28 = 2,399.92 : x
  2. Step 2: Convert to fraction form
    3,964.66/5,940.28 = 2,399.92/x
  3. Step 3: Cross multiply
    3,964.66x = 5,940.28 × 2,399.92
  4. Step 4: Simplify right side
    3,964.66x = 14,256,196.78
  5. Step 5: Solve for x
    x = 14,256,196.78/3,964.66
  6. Step 6: Final answer
    x = 3,595.82

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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.