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Finding the Fourth Proportional to 22,081.43, 33,117.44 and 7,286.87

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Solution

The fourth proportional to 22,081.43, 33,117.44 and 7,286.87 is: 10,928.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,081.43 : 33,117.44 = 7,286.87 : x
  2. Step 2: Convert to fraction form
    22,081.43/33,117.44 = 7,286.87/x
  3. Step 3: Cross multiply
    22,081.43x = 33,117.44 × 7,286.87
  4. Step 4: Simplify right side
    22,081.43x = 241,322,277.99
  5. Step 5: Solve for x
    x = 241,322,277.99/22,081.43
  6. Step 6: Final answer
    x = 10,928.75

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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.