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Finding the Fourth Proportional to 27,652.67, 41,520.54 and 15,819.80

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Solution

The fourth proportional to 27,652.67, 41,520.54 and 15,819.80 is: 23,753.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,652.67 : 41,520.54 = 15,819.80 : x
  2. Step 2: Convert to fraction form
    27,652.67/41,520.54 = 15,819.80/x
  3. Step 3: Cross multiply
    27,652.67x = 41,520.54 × 15,819.80
  4. Step 4: Simplify right side
    27,652.67x = 656,846,559.59
  5. Step 5: Solve for x
    x = 656,846,559.59/27,652.67
  6. Step 6: Final answer
    x = 23,753.46

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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.