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Finding the Fourth Proportional to 18,624.75, 27,949.44 and 8,766.85

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Solution

The fourth proportional to 18,624.75, 27,949.44 and 8,766.85 is: 13,156.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,624.75 : 27,949.44 = 8,766.85 : x
  2. Step 2: Convert to fraction form
    18,624.75/27,949.44 = 8,766.85/x
  3. Step 3: Cross multiply
    18,624.75x = 27,949.44 × 8,766.85
  4. Step 4: Simplify right side
    18,624.75x = 245,028,514.16
  5. Step 5: Solve for x
    x = 245,028,514.16/18,624.75
  6. Step 6: Final answer
    x = 13,156.07

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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.