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Finding the Fourth Proportional to 2,441.32, 3,369.05 and 1,393.38

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Solution

The fourth proportional to 2,441.32, 3,369.05 and 1,393.38 is: 1,922.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,441.32 : 3,369.05 = 1,393.38 : x
  2. Step 2: Convert to fraction form
    2,441.32/3,369.05 = 1,393.38/x
  3. Step 3: Cross multiply
    2,441.32x = 3,369.05 × 1,393.38
  4. Step 4: Simplify right side
    2,441.32x = 4,694,366.89
  5. Step 5: Solve for x
    x = 4,694,366.89/2,441.32
  6. Step 6: Final answer
    x = 1,922.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.