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Finding the Fourth Proportional to 22,660.80, 33,918.41 and 12,104.42

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Solution

The fourth proportional to 22,660.80, 33,918.41 and 12,104.42 is: 18,117.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,660.80 : 33,918.41 = 12,104.42 : x
  2. Step 2: Convert to fraction form
    22,660.80/33,918.41 = 12,104.42/x
  3. Step 3: Cross multiply
    22,660.80x = 33,918.41 × 12,104.42
  4. Step 4: Simplify right side
    22,660.80x = 410,562,866.59
  5. Step 5: Solve for x
    x = 410,562,866.59/22,660.80
  6. Step 6: Final answer
    x = 18,117.76

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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.