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Finding the Fourth Proportional to 36.63, 50.32 and 35.12

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Solution

The fourth proportional to 36.63, 50.32 and 35.12 is: 48.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.63 : 50.32 = 35.12 : x
  2. Step 2: Convert to fraction form
    36.63/50.32 = 35.12/x
  3. Step 3: Cross multiply
    36.63x = 50.32 × 35.12
  4. Step 4: Simplify right side
    36.63x = 1,767.41
  5. Step 5: Solve for x
    x = 1,767.41/36.63
  6. Step 6: Final answer
    x = 48.25

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.