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Finding the Fourth Proportional to 33,164.70, 49,747.05 and 20,010.30

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Solution

The fourth proportional to 33,164.70, 49,747.05 and 20,010.30 is: 30,015.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,164.70 : 49,747.05 = 20,010.30 : x
  2. Step 2: Convert to fraction form
    33,164.70/49,747.05 = 20,010.30/x
  3. Step 3: Cross multiply
    33,164.70x = 49,747.05 × 20,010.30
  4. Step 4: Simplify right side
    33,164.70x = 995,453,394.62
  5. Step 5: Solve for x
    x = 995,453,394.62/33,164.70
  6. Step 6: Final answer
    x = 30,015.45

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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.