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Finding the Fourth Proportional to 5,868.91, 8,099.09 and 3,511.61

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Solution

The fourth proportional to 5,868.91, 8,099.09 and 3,511.61 is: 4,846.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,868.91 : 8,099.09 = 3,511.61 : x
  2. Step 2: Convert to fraction form
    5,868.91/8,099.09 = 3,511.61/x
  3. Step 3: Cross multiply
    5,868.91x = 8,099.09 × 3,511.61
  4. Step 4: Simplify right side
    5,868.91x = 28,440,845.43
  5. Step 5: Solve for x
    x = 28,440,845.43/5,868.91
  6. Step 6: Final answer
    x = 4,846.02

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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.