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Finding the Fourth Proportional to 33,654.65, 50,505.39 and 13,933.31

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Solution

The fourth proportional to 33,654.65, 50,505.39 and 13,933.31 is: 20,909.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,654.65 : 50,505.39 = 13,933.31 : x
  2. Step 2: Convert to fraction form
    33,654.65/50,505.39 = 13,933.31/x
  3. Step 3: Cross multiply
    33,654.65x = 50,505.39 × 13,933.31
  4. Step 4: Simplify right side
    33,654.65x = 703,707,255.54
  5. Step 5: Solve for x
    x = 703,707,255.54/33,654.65
  6. Step 6: Final answer
    x = 20,909.66

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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.