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Finding the Fourth Proportional to 5,399.58, 8,099.22 and 2,949.92

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Solution

The fourth proportional to 5,399.58, 8,099.22 and 2,949.92 is: 4,424.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,399.58 : 8,099.22 = 2,949.92 : x
  2. Step 2: Convert to fraction form
    5,399.58/8,099.22 = 2,949.92/x
  3. Step 3: Cross multiply
    5,399.58x = 8,099.22 × 2,949.92
  4. Step 4: Simplify right side
    5,399.58x = 23,892,052.00
  5. Step 5: Solve for x
    x = 23,892,052.00/5,399.58
  6. Step 6: Final answer
    x = 4,424.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.