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Finding the Fourth Proportional to 26,584.61, 39,876.92 and 7,863.19

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Solution

The fourth proportional to 26,584.61, 39,876.92 and 7,863.19 is: 11,794.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,584.61 : 39,876.92 = 7,863.19 : x
  2. Step 2: Convert to fraction form
    26,584.61/39,876.92 = 7,863.19/x
  3. Step 3: Cross multiply
    26,584.61x = 39,876.92 × 7,863.19
  4. Step 4: Simplify right side
    26,584.61x = 313,559,659.57
  5. Step 5: Solve for x
    x = 313,559,659.57/26,584.61
  6. Step 6: Final answer
    x = 11,794.78

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Similar ratio
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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.