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Finding the Fourth Proportional to 52.49, 72.41 and 36.17

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Solution

The fourth proportional to 52.49, 72.41 and 36.17 is: 49.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    52.49 : 72.41 = 36.17 : x
  2. Step 2: Convert to fraction form
    52.49/72.41 = 36.17/x
  3. Step 3: Cross multiply
    52.49x = 72.41 × 36.17
  4. Step 4: Simplify right side
    52.49x = 2,618.53
  5. Step 5: Solve for x
    x = 2,618.53/52.49
  6. Step 6: Final answer
    x = 49.89

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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.