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Finding the Fourth Proportional to 33,840.44, 50,744.86 and 12,764.24

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Solution

The fourth proportional to 33,840.44, 50,744.86 and 12,764.24 is: 19,140.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,840.44 : 50,744.86 = 12,764.24 : x
  2. Step 2: Convert to fraction form
    33,840.44/50,744.86 = 12,764.24/x
  3. Step 3: Cross multiply
    33,840.44x = 50,744.86 × 12,764.24
  4. Step 4: Simplify right side
    33,840.44x = 647,719,286.17
  5. Step 5: Solve for x
    x = 647,719,286.17/33,840.44
  6. Step 6: Final answer
    x = 19,140.39

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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.