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Finding the Fourth Proportional to 8,367.63, 12,551.23 and 3,433.92

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Solution

The fourth proportional to 8,367.63, 12,551.23 and 3,433.92 is: 5,150.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,367.63 : 12,551.23 = 3,433.92 : x
  2. Step 2: Convert to fraction form
    8,367.63/12,551.23 = 3,433.92/x
  3. Step 3: Cross multiply
    8,367.63x = 12,551.23 × 3,433.92
  4. Step 4: Simplify right side
    8,367.63x = 43,099,919.72
  5. Step 5: Solve for x
    x = 43,099,919.72/8,367.63
  6. Step 6: Final answer
    x = 5,150.79

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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.