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Finding the Fourth Proportional to 5,576.64, 8,377.92 and 3,269.76

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Solution

The fourth proportional to 5,576.64, 8,377.92 and 3,269.76 is: 4,912.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,576.64 : 8,377.92 = 3,269.76 : x
  2. Step 2: Convert to fraction form
    5,576.64/8,377.92 = 3,269.76/x
  3. Step 3: Cross multiply
    5,576.64x = 8,377.92 × 3,269.76
  4. Step 4: Simplify right side
    5,576.64x = 27,393,787.70
  5. Step 5: Solve for x
    x = 27,393,787.70/5,576.64
  6. Step 6: Final answer
    x = 4,912.24

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Why These Related Problems?

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