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Finding the Fourth Proportional to 23.44, 35.11 and 14.40

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Solution

The fourth proportional to 23.44, 35.11 and 14.40 is: 21.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.44 : 35.11 = 14.40 : x
  2. Step 2: Convert to fraction form
    23.44/35.11 = 14.40/x
  3. Step 3: Cross multiply
    23.44x = 35.11 × 14.40
  4. Step 4: Simplify right side
    23.44x = 505.58
  5. Step 5: Solve for x
    x = 505.58/23.44
  6. Step 6: Final answer
    x = 21.57

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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.