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Finding the Fourth Proportional to 10,751.87, 16,119.53 and 3,351.95

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Solution

The fourth proportional to 10,751.87, 16,119.53 and 3,351.95 is: 5,025.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,751.87 : 16,119.53 = 3,351.95 : x
  2. Step 2: Convert to fraction form
    10,751.87/16,119.53 = 3,351.95/x
  3. Step 3: Cross multiply
    10,751.87x = 16,119.53 × 3,351.95
  4. Step 4: Simplify right side
    10,751.87x = 54,031,841.82
  5. Step 5: Solve for x
    x = 54,031,841.82/10,751.87
  6. Step 6: Final answer
    x = 5,025.34

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Why These Related Problems?

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