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Finding the Fourth Proportional to 17,983.00, 26,974.50 and 8,110.79

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Solution

The fourth proportional to 17,983.00, 26,974.50 and 8,110.79 is: 12,166.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,983.00 : 26,974.50 = 8,110.79 : x
  2. Step 2: Convert to fraction form
    17,983.00/26,974.50 = 8,110.79/x
  3. Step 3: Cross multiply
    17,983.00x = 26,974.50 × 8,110.79
  4. Step 4: Simplify right side
    17,983.00x = 218,784,329.43
  5. Step 5: Solve for x
    x = 218,784,329.43/17,983.00
  6. Step 6: Final answer
    x = 12,166.18

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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.