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Finding the Fourth Proportional to 14.69, 22.17 and 14.60

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Solution

The fourth proportional to 14.69, 22.17 and 14.60 is: 22.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14.69 : 22.17 = 14.60 : x
  2. Step 2: Convert to fraction form
    14.69/22.17 = 14.60/x
  3. Step 3: Cross multiply
    14.69x = 22.17 × 14.60
  4. Step 4: Simplify right side
    14.69x = 323.68
  5. Step 5: Solve for x
    x = 323.68/14.69
  6. Step 6: Final answer
    x = 22.03

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.