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Finding the Fourth Proportional to 3,863.02, 5,787.24 and 2,993.08

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Solution

The fourth proportional to 3,863.02, 5,787.24 and 2,993.08 is: 4,483.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,863.02 : 5,787.24 = 2,993.08 : x
  2. Step 2: Convert to fraction form
    3,863.02/5,787.24 = 2,993.08/x
  3. Step 3: Cross multiply
    3,863.02x = 5,787.24 × 2,993.08
  4. Step 4: Simplify right side
    3,863.02x = 17,321,672.30
  5. Step 5: Solve for x
    x = 17,321,672.30/3,863.02
  6. Step 6: Final answer
    x = 4,483.97

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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.