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Finding the Fourth Proportional to 36.16, 49.88 and 23.86

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Solution

The fourth proportional to 36.16, 49.88 and 23.86 is: 32.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.16 : 49.88 = 23.86 : x
  2. Step 2: Convert to fraction form
    36.16/49.88 = 23.86/x
  3. Step 3: Cross multiply
    36.16x = 49.88 × 23.86
  4. Step 4: Simplify right side
    36.16x = 1,190.14
  5. Step 5: Solve for x
    x = 1,190.14/36.16
  6. Step 6: Final answer
    x = 32.91

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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.