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Finding the Fourth Proportional to 29.37, 44.08 and 21.27

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Solution

The fourth proportional to 29.37, 44.08 and 21.27 is: 31.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.37 : 44.08 = 21.27 : x
  2. Step 2: Convert to fraction form
    29.37/44.08 = 21.27/x
  3. Step 3: Cross multiply
    29.37x = 44.08 × 21.27
  4. Step 4: Simplify right side
    29.37x = 937.58
  5. Step 5: Solve for x
    x = 937.58/29.37
  6. Step 6: Final answer
    x = 31.92

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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.