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Finding the Fourth Proportional to 27,169.82, 40,750.05 and 7,179.53

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Solution

The fourth proportional to 27,169.82, 40,750.05 and 7,179.53 is: 10,768.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,169.82 : 40,750.05 = 7,179.53 : x
  2. Step 2: Convert to fraction form
    27,169.82/40,750.05 = 7,179.53/x
  3. Step 3: Cross multiply
    27,169.82x = 40,750.05 × 7,179.53
  4. Step 4: Simplify right side
    27,169.82x = 292,566,002.73
  5. Step 5: Solve for x
    x = 292,566,002.73/27,169.82
  6. Step 6: Final answer
    x = 10,768.05

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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.