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Finding the Fourth Proportional to 36.65, 54.97 and 16.35

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Solution

The fourth proportional to 36.65, 54.97 and 16.35 is: 24.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.65 : 54.97 = 16.35 : x
  2. Step 2: Convert to fraction form
    36.65/54.97 = 16.35/x
  3. Step 3: Cross multiply
    36.65x = 54.97 × 16.35
  4. Step 4: Simplify right side
    36.65x = 898.72
  5. Step 5: Solve for x
    x = 898.72/36.65
  6. Step 6: Final answer
    x = 24.52

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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.