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Finding the Fourth Proportional to 6,381,169.62, 8,804,439.63 and 3,899,757.30

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Solution

The fourth proportional to 6,381,169.62, 8,804,439.63 and 3,899,757.30 is: 5,380,702.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,381,169.62 : 8,804,439.63 = 3,899,757.30 : x
  2. Step 2: Convert to fraction form
    6,381,169.62/8,804,439.63 = 3,899,757.30/x
  3. Step 3: Cross multiply
    6,381,169.62x = 8,804,439.63 × 3,899,757.30
  4. Step 4: Simplify right side
    6,381,169.62x = 34,335,177,719,501.80
  5. Step 5: Solve for x
    x = 34,335,177,719,501.80/6,381,169.62
  6. Step 6: Final answer
    x = 5,380,702.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.