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Finding the Fourth Proportional to 33,643.44, 50,471.08 and 13,910.94

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Solution

The fourth proportional to 33,643.44, 50,471.08 and 13,910.94 is: 20,868.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,643.44 : 50,471.08 = 13,910.94 : x
  2. Step 2: Convert to fraction form
    33,643.44/50,471.08 = 13,910.94/x
  3. Step 3: Cross multiply
    33,643.44x = 50,471.08 × 13,910.94
  4. Step 4: Simplify right side
    33,643.44x = 702,100,165.62
  5. Step 5: Solve for x
    x = 702,100,165.62/33,643.44
  6. Step 6: Final answer
    x = 20,868.86

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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.