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Finding the Fourth Proportional to 10.26, 14.17 and 10.10

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Solution

The fourth proportional to 10.26, 14.17 and 10.10 is: 13.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10.26 : 14.17 = 10.10 : x
  2. Step 2: Convert to fraction form
    10.26/14.17 = 10.10/x
  3. Step 3: Cross multiply
    10.26x = 14.17 × 10.10
  4. Step 4: Simplify right side
    10.26x = 143.12
  5. Step 5: Solve for x
    x = 143.12/10.26
  6. Step 6: Final answer
    x = 13.95

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.