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Finding the Fourth Proportional to 10.24, 14.22 and 10.14

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Solution

The fourth proportional to 10.24, 14.22 and 10.14 is: 14.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10.24 : 14.22 = 10.14 : x
  2. Step 2: Convert to fraction form
    10.24/14.22 = 10.14/x
  3. Step 3: Cross multiply
    10.24x = 14.22 × 10.14
  4. Step 4: Simplify right side
    10.24x = 144.19
  5. Step 5: Solve for x
    x = 144.19/10.24
  6. Step 6: Final answer
    x = 14.08

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.