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Finding the Fourth Proportional to 33,992.72, 50,993.40 and 10,620.56

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Solution

The fourth proportional to 33,992.72, 50,993.40 and 10,620.56 is: 15,932.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,992.72 : 50,993.40 = 10,620.56 : x
  2. Step 2: Convert to fraction form
    33,992.72/50,993.40 = 10,620.56/x
  3. Step 3: Cross multiply
    33,992.72x = 50,993.40 × 10,620.56
  4. Step 4: Simplify right side
    33,992.72x = 541,578,464.30
  5. Step 5: Solve for x
    x = 541,578,464.30/33,992.72
  6. Step 6: Final answer
    x = 15,932.19

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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.