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Finding the Fourth Proportional to 36.29, 49.92 and 33.39

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Solution

The fourth proportional to 36.29, 49.92 and 33.39 is: 45.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.29 : 49.92 = 33.39 : x
  2. Step 2: Convert to fraction form
    36.29/49.92 = 33.39/x
  3. Step 3: Cross multiply
    36.29x = 49.92 × 33.39
  4. Step 4: Simplify right side
    36.29x = 1,666.83
  5. Step 5: Solve for x
    x = 1,666.83/36.29
  6. Step 6: Final answer
    x = 45.94

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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.