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Finding the Fourth Proportional to 11,110.80, 16,625.70 and 8,194.80

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Solution

The fourth proportional to 11,110.80, 16,625.70 and 8,194.80 is: 12,262.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,110.80 : 16,625.70 = 8,194.80 : x
  2. Step 2: Convert to fraction form
    11,110.80/16,625.70 = 8,194.80/x
  3. Step 3: Cross multiply
    11,110.80x = 16,625.70 × 8,194.80
  4. Step 4: Simplify right side
    11,110.80x = 136,244,286.36
  5. Step 5: Solve for x
    x = 136,244,286.36/11,110.80
  6. Step 6: Final answer
    x = 12,262.33

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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.