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Finding the Fourth Proportional to 16.17, 22.22 and 14.98

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Solution

The fourth proportional to 16.17, 22.22 and 14.98 is: 20.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.17 : 22.22 = 14.98 : x
  2. Step 2: Convert to fraction form
    16.17/22.22 = 14.98/x
  3. Step 3: Cross multiply
    16.17x = 22.22 × 14.98
  4. Step 4: Simplify right side
    16.17x = 332.86
  5. Step 5: Solve for x
    x = 332.86/16.17
  6. Step 6: Final answer
    x = 20.58

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.