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Finding the Fourth Proportional to 36.42, 50.25 and 33.51

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Solution

The fourth proportional to 36.42, 50.25 and 33.51 is: 46.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.42 : 50.25 = 33.51 : x
  2. Step 2: Convert to fraction form
    36.42/50.25 = 33.51/x
  3. Step 3: Cross multiply
    36.42x = 50.25 × 33.51
  4. Step 4: Simplify right side
    36.42x = 1,683.88
  5. Step 5: Solve for x
    x = 1,683.88/36.42
  6. Step 6: Final answer
    x = 46.23

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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.