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Finding the Fourth Proportional to 33,806.74, 50,722.20 and 15,085.12

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Solution

The fourth proportional to 33,806.74, 50,722.20 and 15,085.12 is: 22,633.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,806.74 : 50,722.20 = 15,085.12 : x
  2. Step 2: Convert to fraction form
    33,806.74/50,722.20 = 15,085.12/x
  3. Step 3: Cross multiply
    33,806.74x = 50,722.20 × 15,085.12
  4. Step 4: Simplify right side
    33,806.74x = 765,150,473.66
  5. Step 5: Solve for x
    x = 765,150,473.66/33,806.74
  6. Step 6: Final answer
    x = 22,633.07

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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.