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Finding the Fourth Proportional to 36.58, 50.45 and 23.64

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Solution

The fourth proportional to 36.58, 50.45 and 23.64 is: 32.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.58 : 50.45 = 23.64 : x
  2. Step 2: Convert to fraction form
    36.58/50.45 = 23.64/x
  3. Step 3: Cross multiply
    36.58x = 50.45 × 23.64
  4. Step 4: Simplify right side
    36.58x = 1,192.70
  5. Step 5: Solve for x
    x = 1,192.70/36.58
  6. Step 6: Final answer
    x = 32.61

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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.