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Finding the Fourth Proportional to 2,251.28, 3,376.97 and 607.82

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Solution

The fourth proportional to 2,251.28, 3,376.97 and 607.82 is: 911.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,251.28 : 3,376.97 = 607.82 : x
  2. Step 2: Convert to fraction form
    2,251.28/3,376.97 = 607.82/x
  3. Step 3: Cross multiply
    2,251.28x = 3,376.97 × 607.82
  4. Step 4: Simplify right side
    2,251.28x = 2,052,573.02
  5. Step 5: Solve for x
    x = 2,052,573.02/2,251.28
  6. Step 6: Final answer
    x = 911.74

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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.