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Finding the Fourth Proportional to 10,751.82, 16,129.56 and 3,356.12

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Solution

The fourth proportional to 10,751.82, 16,129.56 and 3,356.12 is: 5,034.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,751.82 : 16,129.56 = 3,356.12 : x
  2. Step 2: Convert to fraction form
    10,751.82/16,129.56 = 3,356.12/x
  3. Step 3: Cross multiply
    10,751.82x = 16,129.56 × 3,356.12
  4. Step 4: Simplify right side
    10,751.82x = 54,132,738.91
  5. Step 5: Solve for x
    x = 54,132,738.91/10,751.82
  6. Step 6: Final answer
    x = 5,034.75

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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.