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Finding the Fourth Proportional to 6,377.81, 8,800.87 and 3,544.96

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Solution

The fourth proportional to 6,377.81, 8,800.87 and 3,544.96 is: 4,891.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,377.81 : 8,800.87 = 3,544.96 : x
  2. Step 2: Convert to fraction form
    6,377.81/8,800.87 = 3,544.96/x
  3. Step 3: Cross multiply
    6,377.81x = 8,800.87 × 3,544.96
  4. Step 4: Simplify right side
    6,377.81x = 31,198,684.69
  5. Step 5: Solve for x
    x = 31,198,684.69/6,377.81
  6. Step 6: Final answer
    x = 4,891.76

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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.