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Finding the Fourth Proportional to 33,992.70, 50,976.01 and 11,191.20

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Solution

The fourth proportional to 33,992.70, 50,976.01 and 11,191.20 is: 16,782.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,992.70 : 50,976.01 = 11,191.20 : x
  2. Step 2: Convert to fraction form
    33,992.70/50,976.01 = 11,191.20/x
  3. Step 3: Cross multiply
    33,992.70x = 50,976.01 × 11,191.20
  4. Step 4: Simplify right side
    33,992.70x = 570,482,723.11
  5. Step 5: Solve for x
    x = 570,482,723.11/33,992.70
  6. Step 6: Final answer
    x = 16,782.51

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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.