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Finding the Fourth Proportional to 6,350.38, 8,767.80 and 3,963.98

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Solution

The fourth proportional to 6,350.38, 8,767.80 and 3,963.98 is: 5,472.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,350.38 : 8,767.80 = 3,963.98 : x
  2. Step 2: Convert to fraction form
    6,350.38/8,767.80 = 3,963.98/x
  3. Step 3: Cross multiply
    6,350.38x = 8,767.80 × 3,963.98
  4. Step 4: Simplify right side
    6,350.38x = 34,755,378.18
  5. Step 5: Solve for x
    x = 34,755,378.18/6,350.38
  6. Step 6: Final answer
    x = 5,472.96

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1.5x scale

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.