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Finding the Fourth Proportional to 2,449.42, 3,380.04 and 1,401.48

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Solution

The fourth proportional to 2,449.42, 3,380.04 and 1,401.48 is: 1,933.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,449.42 : 3,380.04 = 1,401.48 : x
  2. Step 2: Convert to fraction form
    2,449.42/3,380.04 = 1,401.48/x
  3. Step 3: Cross multiply
    2,449.42x = 3,380.04 × 1,401.48
  4. Step 4: Simplify right side
    2,449.42x = 4,737,058.46
  5. Step 5: Solve for x
    x = 4,737,058.46/2,449.42
  6. Step 6: Final answer
    x = 1,933.95

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