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Finding the Fourth Proportional to 22,182.80, 33,251.80 and 11,072.40

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Solution

The fourth proportional to 22,182.80, 33,251.80 and 11,072.40 is: 16,597.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,182.80 : 33,251.80 = 11,072.40 : x
  2. Step 2: Convert to fraction form
    22,182.80/33,251.80 = 11,072.40/x
  3. Step 3: Cross multiply
    22,182.80x = 33,251.80 × 11,072.40
  4. Step 4: Simplify right side
    22,182.80x = 368,177,230.32
  5. Step 5: Solve for x
    x = 368,177,230.32/22,182.80
  6. Step 6: Final answer
    x = 16,597.42

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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.