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Finding the Fourth Proportional to 25,372.68, 38,062.67 and 7,843.88

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Solution

The fourth proportional to 25,372.68, 38,062.67 and 7,843.88 is: 11,766.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,372.68 : 38,062.67 = 7,843.88 : x
  2. Step 2: Convert to fraction form
    25,372.68/38,062.67 = 7,843.88/x
  3. Step 3: Cross multiply
    25,372.68x = 38,062.67 × 7,843.88
  4. Step 4: Simplify right side
    25,372.68x = 298,558,786.43
  5. Step 5: Solve for x
    x = 298,558,786.43/25,372.68
  6. Step 6: Final answer
    x = 11,766.94

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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.