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Finding the Fourth Proportional to 10.63, 14.67 and 10.27

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Solution

The fourth proportional to 10.63, 14.67 and 10.27 is: 14.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10.63 : 14.67 = 10.27 : x
  2. Step 2: Convert to fraction form
    10.63/14.67 = 10.27/x
  3. Step 3: Cross multiply
    10.63x = 14.67 × 10.27
  4. Step 4: Simplify right side
    10.63x = 150.66
  5. Step 5: Solve for x
    x = 150.66/10.63
  6. Step 6: Final answer
    x = 14.17

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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.