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Finding the Fourth Proportional to 16.44, 24.51 and 14.40

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Solution

The fourth proportional to 16.44, 24.51 and 14.40 is: 21.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.44 : 24.51 = 14.40 : x
  2. Step 2: Convert to fraction form
    16.44/24.51 = 14.40/x
  3. Step 3: Cross multiply
    16.44x = 24.51 × 14.40
  4. Step 4: Simplify right side
    16.44x = 352.94
  5. Step 5: Solve for x
    x = 352.94/16.44
  6. Step 6: Final answer
    x = 21.47

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.