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Finding the Fourth Proportional to 36.39, 50.24 and 24.74

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Solution

The fourth proportional to 36.39, 50.24 and 24.74 is: 34.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.39 : 50.24 = 24.74 : x
  2. Step 2: Convert to fraction form
    36.39/50.24 = 24.74/x
  3. Step 3: Cross multiply
    36.39x = 50.24 × 24.74
  4. Step 4: Simplify right side
    36.39x = 1,242.94
  5. Step 5: Solve for x
    x = 1,242.94/36.39
  6. Step 6: Final answer
    x = 34.16

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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.