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Finding the Fourth Proportional to 5,099.28, 7,656 and 2,635.92

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Solution

The fourth proportional to 5,099.28, 7,656 and 2,635.92 is: 3,957.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,099.28 : 7,656 = 2,635.92 : x
  2. Step 2: Convert to fraction form
    5,099.28/7,656 = 2,635.92/x
  3. Step 3: Cross multiply
    5,099.28x = 7,656 × 2,635.92
  4. Step 4: Simplify right side
    5,099.28x = 20,180,603.52
  5. Step 5: Solve for x
    x = 20,180,603.52/5,099.28
  6. Step 6: Final answer
    x = 3,957.54

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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.