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Finding the Fourth Proportional to 8,251.67, 12,377.48 and 2,011.67

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Solution

The fourth proportional to 8,251.67, 12,377.48 and 2,011.67 is: 3,017.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,251.67 : 12,377.48 = 2,011.67 : x
  2. Step 2: Convert to fraction form
    8,251.67/12,377.48 = 2,011.67/x
  3. Step 3: Cross multiply
    8,251.67x = 12,377.48 × 2,011.67
  4. Step 4: Simplify right side
    8,251.67x = 24,899,379.66
  5. Step 5: Solve for x
    x = 24,899,379.66/8,251.67
  6. Step 6: Final answer
    x = 3,017.49

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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.