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Finding the Fourth Proportional to 5,592, 7,716.96 and 3,108

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Solution

The fourth proportional to 5,592, 7,716.96 and 3,108 is: 4,289.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,592 : 7,716.96 = 3,108 : x
  2. Step 2: Convert to fraction form
    5,592/7,716.96 = 3,108/x
  3. Step 3: Cross multiply
    5,592x = 7,716.96 × 3,108
  4. Step 4: Simplify right side
    5,592x = 23,984,311.68
  5. Step 5: Solve for x
    x = 23,984,311.68/5,592
  6. Step 6: Final answer
    x = 4,289.04

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Why These Related Problems?

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