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Finding the Fourth Proportional to 36.84, 50.79 and 32.22

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Solution

The fourth proportional to 36.84, 50.79 and 32.22 is: 44.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.84 : 50.79 = 32.22 : x
  2. Step 2: Convert to fraction form
    36.84/50.79 = 32.22/x
  3. Step 3: Cross multiply
    36.84x = 50.79 × 32.22
  4. Step 4: Simplify right side
    36.84x = 1,636.45
  5. Step 5: Solve for x
    x = 1,636.45/36.84
  6. Step 6: Final answer
    x = 44.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.