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Finding the Fourth Proportional to 2,757.76, 4,134.31 and 1,196.58

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Solution

The fourth proportional to 2,757.76, 4,134.31 and 1,196.58 is: 1,793.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,757.76 : 4,134.31 = 1,196.58 : x
  2. Step 2: Convert to fraction form
    2,757.76/4,134.31 = 1,196.58/x
  3. Step 3: Cross multiply
    2,757.76x = 4,134.31 × 1,196.58
  4. Step 4: Simplify right side
    2,757.76x = 4,947,045.17
  5. Step 5: Solve for x
    x = 4,947,045.17/2,757.76
  6. Step 6: Final answer
    x = 1,793.87

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.