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Finding the Fourth Proportional to 5,299.92, 7,951.50 and 2,704.68

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Solution

The fourth proportional to 5,299.92, 7,951.50 and 2,704.68 is: 4,057.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,299.92 : 7,951.50 = 2,704.68 : x
  2. Step 2: Convert to fraction form
    5,299.92/7,951.50 = 2,704.68/x
  3. Step 3: Cross multiply
    5,299.92x = 7,951.50 × 2,704.68
  4. Step 4: Simplify right side
    5,299.92x = 21,506,263.02
  5. Step 5: Solve for x
    x = 21,506,263.02/5,299.92
  6. Step 6: Final answer
    x = 4,057.85

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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.