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Finding the Fourth Proportional to 17,910.60, 26,857.80 and 8,044.80

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Solution

The fourth proportional to 17,910.60, 26,857.80 and 8,044.80 is: 12,063.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,910.60 : 26,857.80 = 8,044.80 : x
  2. Step 2: Convert to fraction form
    17,910.60/26,857.80 = 8,044.80/x
  3. Step 3: Cross multiply
    17,910.60x = 26,857.80 × 8,044.80
  4. Step 4: Simplify right side
    17,910.60x = 216,065,629.44
  5. Step 5: Solve for x
    x = 216,065,629.44/17,910.60
  6. Step 6: Final answer
    x = 12,063.56

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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.