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Finding the Fourth Proportional to 22,512.80, 33,769.20 and 10,848.80

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Solution

The fourth proportional to 22,512.80, 33,769.20 and 10,848.80 is: 16,273.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,512.80 : 33,769.20 = 10,848.80 : x
  2. Step 2: Convert to fraction form
    22,512.80/33,769.20 = 10,848.80/x
  3. Step 3: Cross multiply
    22,512.80x = 33,769.20 × 10,848.80
  4. Step 4: Simplify right side
    22,512.80x = 366,355,296.96
  5. Step 5: Solve for x
    x = 366,355,296.96/22,512.80
  6. Step 6: Final answer
    x = 16,273.20

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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.