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Finding the Fourth Proportional to 33,399.81, 50,097.96 and 11,213.64

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Solution

The fourth proportional to 33,399.81, 50,097.96 and 11,213.64 is: 16,819.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,399.81 : 50,097.96 = 11,213.64 : x
  2. Step 2: Convert to fraction form
    33,399.81/50,097.96 = 11,213.64/x
  3. Step 3: Cross multiply
    33,399.81x = 50,097.96 × 11,213.64
  4. Step 4: Simplify right side
    33,399.81x = 561,780,488.17
  5. Step 5: Solve for x
    x = 561,780,488.17/33,399.81
  6. Step 6: Final answer
    x = 16,819.87

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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.