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Finding the Fourth Proportional to 26,596.44, 39,882.39 and 7,869.78

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Solution

The fourth proportional to 26,596.44, 39,882.39 and 7,869.78 is: 11,801.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,596.44 : 39,882.39 = 7,869.78 : x
  2. Step 2: Convert to fraction form
    26,596.44/39,882.39 = 7,869.78/x
  3. Step 3: Cross multiply
    26,596.44x = 39,882.39 × 7,869.78
  4. Step 4: Simplify right side
    26,596.44x = 313,865,435.76
  5. Step 5: Solve for x
    x = 313,865,435.76/26,596.44
  6. Step 6: Final answer
    x = 11,801.03

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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.