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Finding the Fourth Proportional to 33,659.34, 50,479.80 and 13,933.14

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Solution

The fourth proportional to 33,659.34, 50,479.80 and 13,933.14 is: 20,895.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,659.34 : 50,479.80 = 13,933.14 : x
  2. Step 2: Convert to fraction form
    33,659.34/50,479.80 = 13,933.14/x
  3. Step 3: Cross multiply
    33,659.34x = 50,479.80 × 13,933.14
  4. Step 4: Simplify right side
    33,659.34x = 703,342,120.57
  5. Step 5: Solve for x
    x = 703,342,120.57/33,659.34
  6. Step 6: Final answer
    x = 20,895.90

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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.