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Finding the Fourth Proportional to 14.95, 22.17 and 14.82

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Solution

The fourth proportional to 14.95, 22.17 and 14.82 is: 21.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14.95 : 22.17 = 14.82 : x
  2. Step 2: Convert to fraction form
    14.95/22.17 = 14.82/x
  3. Step 3: Cross multiply
    14.95x = 22.17 × 14.82
  4. Step 4: Simplify right side
    14.95x = 328.53
  5. Step 5: Solve for x
    x = 328.53/14.95
  6. Step 6: Final answer
    x = 21.97

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.