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Finding the Fourth Proportional to 27,956.95, 41,936.74 and 8,235.68

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Solution

The fourth proportional to 27,956.95, 41,936.74 and 8,235.68 is: 12,353.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,956.95 : 41,936.74 = 8,235.68 : x
  2. Step 2: Convert to fraction form
    27,956.95/41,936.74 = 8,235.68/x
  3. Step 3: Cross multiply
    27,956.95x = 41,936.74 × 8,235.68
  4. Step 4: Simplify right side
    27,956.95x = 345,377,340.61
  5. Step 5: Solve for x
    x = 345,377,340.61/27,956.95
  6. Step 6: Final answer
    x = 12,353.90

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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.