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Finding the Fourth Proportional to 36.66, 50.58 and 23.76

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Solution

The fourth proportional to 36.66, 50.58 and 23.76 is: 32.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.66 : 50.58 = 23.76 : x
  2. Step 2: Convert to fraction form
    36.66/50.58 = 23.76/x
  3. Step 3: Cross multiply
    36.66x = 50.58 × 23.76
  4. Step 4: Simplify right side
    36.66x = 1,201.78
  5. Step 5: Solve for x
    x = 1,201.78/36.66
  6. Step 6: Final answer
    x = 32.78

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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.