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Finding the Fourth Proportional to 26,806.38, 40,229.01 and 15,142.38

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Solution

The fourth proportional to 26,806.38, 40,229.01 and 15,142.38 is: 22,724.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,806.38 : 40,229.01 = 15,142.38 : x
  2. Step 2: Convert to fraction form
    26,806.38/40,229.01 = 15,142.38/x
  3. Step 3: Cross multiply
    26,806.38x = 40,229.01 × 15,142.38
  4. Step 4: Simplify right side
    26,806.38x = 609,162,956.44
  5. Step 5: Solve for x
    x = 609,162,956.44/26,806.38
  6. Step 6: Final answer
    x = 22,724.55

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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.