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Finding the Fourth Proportional to 8,524.75, 12,786.82 and 2,601.39

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Solution

The fourth proportional to 8,524.75, 12,786.82 and 2,601.39 is: 3,901.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,524.75 : 12,786.82 = 2,601.39 : x
  2. Step 2: Convert to fraction form
    8,524.75/12,786.82 = 2,601.39/x
  3. Step 3: Cross multiply
    8,524.75x = 12,786.82 × 2,601.39
  4. Step 4: Simplify right side
    8,524.75x = 33,263,505.68
  5. Step 5: Solve for x
    x = 33,263,505.68/8,524.75
  6. Step 6: Final answer
    x = 3,901.99

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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.