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Finding the Fourth Proportional to 5,787.98, 8,663.03 and 3,148.90

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Solution

The fourth proportional to 5,787.98, 8,663.03 and 3,148.90 is: 4,713.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,787.98 : 8,663.03 = 3,148.90 : x
  2. Step 2: Convert to fraction form
    5,787.98/8,663.03 = 3,148.90/x
  3. Step 3: Cross multiply
    5,787.98x = 8,663.03 × 3,148.90
  4. Step 4: Simplify right side
    5,787.98x = 27,278,956.11
  5. Step 5: Solve for x
    x = 27,278,956.11/5,787.98
  6. Step 6: Final answer
    x = 4,713.04

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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.