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Finding the Fourth Proportional to 8,425.44, 12,636.72 and 2,268

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Solution

The fourth proportional to 8,425.44, 12,636.72 and 2,268 is: 3,401.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,425.44 : 12,636.72 = 2,268 : x
  2. Step 2: Convert to fraction form
    8,425.44/12,636.72 = 2,268/x
  3. Step 3: Cross multiply
    8,425.44x = 12,636.72 × 2,268
  4. Step 4: Simplify right side
    8,425.44x = 28,660,080.96
  5. Step 5: Solve for x
    x = 28,660,080.96/8,425.44
  6. Step 6: Final answer
    x = 3,401.61

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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.