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Finding the Fourth Proportional to 23.83, 35.72 and 12.41

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Solution

The fourth proportional to 23.83, 35.72 and 12.41 is: 18.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.83 : 35.72 = 12.41 : x
  2. Step 2: Convert to fraction form
    23.83/35.72 = 12.41/x
  3. Step 3: Cross multiply
    23.83x = 35.72 × 12.41
  4. Step 4: Simplify right side
    23.83x = 443.14
  5. Step 5: Solve for x
    x = 443.14/23.83
  6. Step 6: Final answer
    x = 18.60

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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.