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Finding the Fourth Proportional to 33,299.70, 50,015.96 and 20,841.90

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Solution

The fourth proportional to 33,299.70, 50,015.96 and 20,841.90 is: 31,304.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,299.70 : 50,015.96 = 20,841.90 : x
  2. Step 2: Convert to fraction form
    33,299.70/50,015.96 = 20,841.90/x
  3. Step 3: Cross multiply
    33,299.70x = 50,015.96 × 20,841.90
  4. Step 4: Simplify right side
    33,299.70x = 1,042,427,636.72
  5. Step 5: Solve for x
    x = 1,042,427,636.72/33,299.70
  6. Step 6: Final answer
    x = 31,304.42

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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.