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Finding the Fourth Proportional to 36.33, 50.15 and 32.64

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Solution

The fourth proportional to 36.33, 50.15 and 32.64 is: 45.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.33 : 50.15 = 32.64 : x
  2. Step 2: Convert to fraction form
    36.33/50.15 = 32.64/x
  3. Step 3: Cross multiply
    36.33x = 50.15 × 32.64
  4. Step 4: Simplify right side
    36.33x = 1,636.90
  5. Step 5: Solve for x
    x = 1,636.90/36.33
  6. Step 6: Final answer
    x = 45.06

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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.