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Finding the Fourth Proportional to 8,169.88, 12,252.54 and 2,245.34

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Solution

The fourth proportional to 8,169.88, 12,252.54 and 2,245.34 is: 3,367.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,169.88 : 12,252.54 = 2,245.34 : x
  2. Step 2: Convert to fraction form
    8,169.88/12,252.54 = 2,245.34/x
  3. Step 3: Cross multiply
    8,169.88x = 12,252.54 × 2,245.34
  4. Step 4: Simplify right side
    8,169.88x = 27,511,118.16
  5. Step 5: Solve for x
    x = 27,511,118.16/8,169.88
  6. Step 6: Final answer
    x = 3,367.38

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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.