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Finding the Fourth Proportional to 33.64, 50.44 and 15.58

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Solution

The fourth proportional to 33.64, 50.44 and 15.58 is: 23.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.64 : 50.44 = 15.58 : x
  2. Step 2: Convert to fraction form
    33.64/50.44 = 15.58/x
  3. Step 3: Cross multiply
    33.64x = 50.44 × 15.58
  4. Step 4: Simplify right side
    33.64x = 785.78
  5. Step 5: Solve for x
    x = 785.78/33.64
  6. Step 6: Final answer
    x = 23.36

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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.