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Finding the Fourth Proportional to 22,212.84, 33,324.72 and 15,651.84

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Solution

The fourth proportional to 22,212.84, 33,324.72 and 15,651.84 is: 23,481.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,212.84 : 33,324.72 = 15,651.84 : x
  2. Step 2: Convert to fraction form
    22,212.84/33,324.72 = 15,651.84/x
  3. Step 3: Cross multiply
    22,212.84x = 33,324.72 × 15,651.84
  4. Step 4: Simplify right side
    22,212.84x = 521,593,185.48
  5. Step 5: Solve for x
    x = 521,593,185.48/22,212.84
  6. Step 6: Final answer
    x = 23,481.61

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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.