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Finding the Fourth Proportional to 22,277.43, 33,380.99 and 8,218.11

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Solution

The fourth proportional to 22,277.43, 33,380.99 and 8,218.11 is: 12,314.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,277.43 : 33,380.99 = 8,218.11 : x
  2. Step 2: Convert to fraction form
    22,277.43/33,380.99 = 8,218.11/x
  3. Step 3: Cross multiply
    22,277.43x = 33,380.99 × 8,218.11
  4. Step 4: Simplify right side
    22,277.43x = 274,328,647.73
  5. Step 5: Solve for x
    x = 274,328,647.73/22,277.43
  6. Step 6: Final answer
    x = 12,314.20

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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.