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Finding the Fourth Proportional to 10,793.28, 16,179.78 and 3,768.96

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Solution

The fourth proportional to 10,793.28, 16,179.78 and 3,768.96 is: 5,649.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,793.28 : 16,179.78 = 3,768.96 : x
  2. Step 2: Convert to fraction form
    10,793.28/16,179.78 = 3,768.96/x
  3. Step 3: Cross multiply
    10,793.28x = 16,179.78 × 3,768.96
  4. Step 4: Simplify right side
    10,793.28x = 60,980,943.63
  5. Step 5: Solve for x
    x = 60,980,943.63/10,793.28
  6. Step 6: Final answer
    x = 5,649.90

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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.