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Finding the Fourth Proportional to 36.49, 50.34 and 33.07

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Solution

The fourth proportional to 36.49, 50.34 and 33.07 is: 45.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.49 : 50.34 = 33.07 : x
  2. Step 2: Convert to fraction form
    36.49/50.34 = 33.07/x
  3. Step 3: Cross multiply
    36.49x = 50.34 × 33.07
  4. Step 4: Simplify right side
    36.49x = 1,664.74
  5. Step 5: Solve for x
    x = 1,664.74/36.49
  6. Step 6: Final answer
    x = 45.62

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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.