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Finding the Fourth Proportional to 36.76, 50.72 and 23.84

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Solution

The fourth proportional to 36.76, 50.72 and 23.84 is: 32.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.76 : 50.72 = 23.84 : x
  2. Step 2: Convert to fraction form
    36.76/50.72 = 23.84/x
  3. Step 3: Cross multiply
    36.76x = 50.72 × 23.84
  4. Step 4: Simplify right side
    36.76x = 1,209.16
  5. Step 5: Solve for x
    x = 1,209.16/36.76
  6. Step 6: Final answer
    x = 32.89

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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.