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Finding the Fourth Proportional to 52.54, 72.41 and 36.14

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Solution

The fourth proportional to 52.54, 72.41 and 36.14 is: 49.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    52.54 : 72.41 = 36.14 : x
  2. Step 2: Convert to fraction form
    52.54/72.41 = 36.14/x
  3. Step 3: Cross multiply
    52.54x = 72.41 × 36.14
  4. Step 4: Simplify right side
    52.54x = 2,616.54
  5. Step 5: Solve for x
    x = 2,616.54/52.54
  6. Step 6: Final answer
    x = 49.81

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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.