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Finding the Fourth Proportional to 2,372.55, 3,274.12 and 1,324.61

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Solution

The fourth proportional to 2,372.55, 3,274.12 and 1,324.61 is: 1,827.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,372.55 : 3,274.12 = 1,324.61 : x
  2. Step 2: Convert to fraction form
    2,372.55/3,274.12 = 1,324.61/x
  3. Step 3: Cross multiply
    2,372.55x = 3,274.12 × 1,324.61
  4. Step 4: Simplify right side
    2,372.55x = 4,336,936.97
  5. Step 5: Solve for x
    x = 4,336,936.97/2,372.55
  6. Step 6: Final answer
    x = 1,827.96

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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.