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Finding the Fourth Proportional to 25,524.66, 38,286.98 and 7,995.86

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Solution

The fourth proportional to 25,524.66, 38,286.98 and 7,995.86 is: 11,993.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,524.66 : 38,286.98 = 7,995.86 : x
  2. Step 2: Convert to fraction form
    25,524.66/38,286.98 = 7,995.86/x
  3. Step 3: Cross multiply
    25,524.66x = 38,286.98 × 7,995.86
  4. Step 4: Simplify right side
    25,524.66x = 306,137,100.49
  5. Step 5: Solve for x
    x = 306,137,100.49/25,524.66
  6. Step 6: Final answer
    x = 11,993.78

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Double scale
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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.