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Finding the Fourth Proportional to 10,940.52, 16,410.80 and 2,732.52

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Solution

The fourth proportional to 10,940.52, 16,410.80 and 2,732.52 is: 4,098.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,940.52 : 16,410.80 = 2,732.52 : x
  2. Step 2: Convert to fraction form
    10,940.52/16,410.80 = 2,732.52/x
  3. Step 3: Cross multiply
    10,940.52x = 16,410.80 × 2,732.52
  4. Step 4: Simplify right side
    10,940.52x = 44,842,839.22
  5. Step 5: Solve for x
    x = 44,842,839.22/10,940.52
  6. Step 6: Final answer
    x = 4,098.78

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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.