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Finding the Fourth Proportional to 3,449.89, 4,760.71 and 1,877.99

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Solution

The fourth proportional to 3,449.89, 4,760.71 and 1,877.99 is: 2,591.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,449.89 : 4,760.71 = 1,877.99 : x
  2. Step 2: Convert to fraction form
    3,449.89/4,760.71 = 1,877.99/x
  3. Step 3: Cross multiply
    3,449.89x = 4,760.71 × 1,877.99
  4. Step 4: Simplify right side
    3,449.89x = 8,940,532.58
  5. Step 5: Solve for x
    x = 8,940,532.58/3,449.89
  6. Step 6: Final answer
    x = 2,591.54

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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.