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Finding the Fourth Proportional to 36.84, 50.92 and 33.40

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Solution

The fourth proportional to 36.84, 50.92 and 33.40 is: 46.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.84 : 50.92 = 33.40 : x
  2. Step 2: Convert to fraction form
    36.84/50.92 = 33.40/x
  3. Step 3: Cross multiply
    36.84x = 50.92 × 33.40
  4. Step 4: Simplify right side
    36.84x = 1,700.73
  5. Step 5: Solve for x
    x = 1,700.73/36.84
  6. Step 6: Final answer
    x = 46.17

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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.