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Finding the Fourth Proportional to 10,796.80, 16,195.20 and 3,401.76

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Solution

The fourth proportional to 10,796.80, 16,195.20 and 3,401.76 is: 5,102.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,796.80 : 16,195.20 = 3,401.76 : x
  2. Step 2: Convert to fraction form
    10,796.80/16,195.20 = 3,401.76/x
  3. Step 3: Cross multiply
    10,796.80x = 16,195.20 × 3,401.76
  4. Step 4: Simplify right side
    10,796.80x = 55,092,183.55
  5. Step 5: Solve for x
    x = 55,092,183.55/10,796.80
  6. Step 6: Final answer
    x = 5,102.64

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