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Finding the Fourth Proportional to 27,863.65, 41,799.08 and 8,141.86

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Solution

The fourth proportional to 27,863.65, 41,799.08 and 8,141.86 is: 12,213.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,863.65 : 41,799.08 = 8,141.86 : x
  2. Step 2: Convert to fraction form
    27,863.65/41,799.08 = 8,141.86/x
  3. Step 3: Cross multiply
    27,863.65x = 41,799.08 × 8,141.86
  4. Step 4: Simplify right side
    27,863.65x = 340,322,257.49
  5. Step 5: Solve for x
    x = 340,322,257.49/27,863.65
  6. Step 6: Final answer
    x = 12,213.84

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1.5x scale

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.