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Finding the Fourth Proportional to 14.69, 20.27 and 10.60

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Solution

The fourth proportional to 14.69, 20.27 and 10.60 is: 14.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14.69 : 20.27 = 10.60 : x
  2. Step 2: Convert to fraction form
    14.69/20.27 = 10.60/x
  3. Step 3: Cross multiply
    14.69x = 20.27 × 10.60
  4. Step 4: Simplify right side
    14.69x = 214.86
  5. Step 5: Solve for x
    x = 214.86/14.69
  6. Step 6: Final answer
    x = 14.63

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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.