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Finding the Fourth Proportional to 2,480.52, 3,423.03 and 1,361.42

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Solution

The fourth proportional to 2,480.52, 3,423.03 and 1,361.42 is: 1,878.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,480.52 : 3,423.03 = 1,361.42 : x
  2. Step 2: Convert to fraction form
    2,480.52/3,423.03 = 1,361.42/x
  3. Step 3: Cross multiply
    2,480.52x = 3,423.03 × 1,361.42
  4. Step 4: Simplify right side
    2,480.52x = 4,660,191.37
  5. Step 5: Solve for x
    x = 4,660,191.37/2,480.52
  6. Step 6: Final answer
    x = 1,878.71

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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.