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Finding the Fourth Proportional to 22,226.80, 33,340.20 and 19,769.20

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Solution

The fourth proportional to 22,226.80, 33,340.20 and 19,769.20 is: 29,653.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,226.80 : 33,340.20 = 19,769.20 : x
  2. Step 2: Convert to fraction form
    22,226.80/33,340.20 = 19,769.20/x
  3. Step 3: Cross multiply
    22,226.80x = 33,340.20 × 19,769.20
  4. Step 4: Simplify right side
    22,226.80x = 659,109,081.84
  5. Step 5: Solve for x
    x = 659,109,081.84/22,226.80
  6. Step 6: Final answer
    x = 29,653.80

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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.