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Finding the Fourth Proportional to 6,349.30, 8,761.86 and 3,516.82

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Solution

The fourth proportional to 6,349.30, 8,761.86 and 3,516.82 is: 4,853.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,349.30 : 8,761.86 = 3,516.82 : x
  2. Step 2: Convert to fraction form
    6,349.30/8,761.86 = 3,516.82/x
  3. Step 3: Cross multiply
    6,349.30x = 8,761.86 × 3,516.82
  4. Step 4: Simplify right side
    6,349.30x = 30,813,884.49
  5. Step 5: Solve for x
    x = 30,813,884.49/6,349.30
  6. Step 6: Final answer
    x = 4,853.12

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