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Finding the Fourth Proportional to 36.37, 54.53 and 33.02

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Solution

The fourth proportional to 36.37, 54.53 and 33.02 is: 49.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.37 : 54.53 = 33.02 : x
  2. Step 2: Convert to fraction form
    36.37/54.53 = 33.02/x
  3. Step 3: Cross multiply
    36.37x = 54.53 × 33.02
  4. Step 4: Simplify right side
    36.37x = 1,800.58
  5. Step 5: Solve for x
    x = 1,800.58/36.37
  6. Step 6: Final answer
    x = 49.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.