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Finding the Fourth Proportional to 27,076.92, 40,612.69 and 8,351.88

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Solution

The fourth proportional to 27,076.92, 40,612.69 and 8,351.88 is: 12,526.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,076.92 : 40,612.69 = 8,351.88 : x
  2. Step 2: Convert to fraction form
    27,076.92/40,612.69 = 8,351.88/x
  3. Step 3: Cross multiply
    27,076.92x = 40,612.69 × 8,351.88
  4. Step 4: Simplify right side
    27,076.92x = 339,192,171.50
  5. Step 5: Solve for x
    x = 339,192,171.50/27,076.92
  6. Step 6: Final answer
    x = 12,526.99

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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.