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Finding the Fourth Proportional to 10.27, 13.99 and 10.24

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Solution

The fourth proportional to 10.27, 13.99 and 10.24 is: 13.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10.27 : 13.99 = 10.24 : x
  2. Step 2: Convert to fraction form
    10.27/13.99 = 10.24/x
  3. Step 3: Cross multiply
    10.27x = 13.99 × 10.24
  4. Step 4: Simplify right side
    10.27x = 143.26
  5. Step 5: Solve for x
    x = 143.26/10.27
  6. Step 6: Final answer
    x = 13.95

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.