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Finding the Fourth Proportional to 10,750.97, 16,120.22 and 4,169.45

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Solution

The fourth proportional to 10,750.97, 16,120.22 and 4,169.45 is: 6,251.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,750.97 : 16,120.22 = 4,169.45 : x
  2. Step 2: Convert to fraction form
    10,750.97/16,120.22 = 4,169.45/x
  3. Step 3: Cross multiply
    10,750.97x = 16,120.22 × 4,169.45
  4. Step 4: Simplify right side
    10,750.97x = 67,212,451.28
  5. Step 5: Solve for x
    x = 67,212,451.28/10,750.97
  6. Step 6: Final answer
    x = 6,251.76

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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.