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Finding the Fourth Proportional to 33,640.44, 50,436.07 and 11,447.86

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Solution

The fourth proportional to 33,640.44, 50,436.07 and 11,447.86 is: 17,163.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,640.44 : 50,436.07 = 11,447.86 : x
  2. Step 2: Convert to fraction form
    33,640.44/50,436.07 = 11,447.86/x
  3. Step 3: Cross multiply
    33,640.44x = 50,436.07 × 11,447.86
  4. Step 4: Simplify right side
    33,640.44x = 577,385,068.31
  5. Step 5: Solve for x
    x = 577,385,068.31/33,640.44
  6. Step 6: Final answer
    x = 17,163.42

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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.