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Finding the Fourth Proportional to 18,149.67, 27,193.79 and 8,794.17

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Solution

The fourth proportional to 18,149.67, 27,193.79 and 8,794.17 is: 13,176.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,149.67 : 27,193.79 = 8,794.17 : x
  2. Step 2: Convert to fraction form
    18,149.67/27,193.79 = 8,794.17/x
  3. Step 3: Cross multiply
    18,149.67x = 27,193.79 × 8,794.17
  4. Step 4: Simplify right side
    18,149.67x = 239,146,834.19
  5. Step 5: Solve for x
    x = 239,146,834.19/18,149.67
  6. Step 6: Final answer
    x = 13,176.37

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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.