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Finding the Fourth Proportional to 16.56, 22.86 and 10.44

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Solution

The fourth proportional to 16.56, 22.86 and 10.44 is: 14.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.56 : 22.86 = 10.44 : x
  2. Step 2: Convert to fraction form
    16.56/22.86 = 10.44/x
  3. Step 3: Cross multiply
    16.56x = 22.86 × 10.44
  4. Step 4: Simplify right side
    16.56x = 238.66
  5. Step 5: Solve for x
    x = 238.66/16.56
  6. Step 6: Final answer
    x = 14.41

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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.