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Finding the Fourth Proportional to 24.14, 33.32 and 18.70

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Solution

The fourth proportional to 24.14, 33.32 and 18.70 is: 25.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.14 : 33.32 = 18.70 : x
  2. Step 2: Convert to fraction form
    24.14/33.32 = 18.70/x
  3. Step 3: Cross multiply
    24.14x = 33.32 × 18.70
  4. Step 4: Simplify right side
    24.14x = 623.05
  5. Step 5: Solve for x
    x = 623.05/24.14
  6. Step 6: Final answer
    x = 25.81

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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.