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Finding the Fourth Proportional to 8,167.83, 12,251.02 and 2,619.67

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Solution

The fourth proportional to 8,167.83, 12,251.02 and 2,619.67 is: 3,929.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,167.83 : 12,251.02 = 2,619.67 : x
  2. Step 2: Convert to fraction form
    8,167.83/12,251.02 = 2,619.67/x
  3. Step 3: Cross multiply
    8,167.83x = 12,251.02 × 2,619.67
  4. Step 4: Simplify right side
    8,167.83x = 32,093,629.56
  5. Step 5: Solve for x
    x = 32,093,629.56/8,167.83
  6. Step 6: Final answer
    x = 3,929.27

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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.