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Finding the Fourth Proportional to 36.52, 55.03 and 36.16

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Solution

The fourth proportional to 36.52, 55.03 and 36.16 is: 54.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.52 : 55.03 = 36.16 : x
  2. Step 2: Convert to fraction form
    36.52/55.03 = 36.16/x
  3. Step 3: Cross multiply
    36.52x = 55.03 × 36.16
  4. Step 4: Simplify right side
    36.52x = 1,989.88
  5. Step 5: Solve for x
    x = 1,989.88/36.52
  6. Step 6: Final answer
    x = 54.49

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.