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Finding the Fourth Proportional to 36.64, 50.58 and 34.62

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Solution

The fourth proportional to 36.64, 50.58 and 34.62 is: 47.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.64 : 50.58 = 34.62 : x
  2. Step 2: Convert to fraction form
    36.64/50.58 = 34.62/x
  3. Step 3: Cross multiply
    36.64x = 50.58 × 34.62
  4. Step 4: Simplify right side
    36.64x = 1,751.08
  5. Step 5: Solve for x
    x = 1,751.08/36.64
  6. Step 6: Final answer
    x = 47.79

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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.