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Finding the Fourth Proportional to 12.44, 17.15 and 10.01

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Solution

The fourth proportional to 12.44, 17.15 and 10.01 is: 13.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12.44 : 17.15 = 10.01 : x
  2. Step 2: Convert to fraction form
    12.44/17.15 = 10.01/x
  3. Step 3: Cross multiply
    12.44x = 17.15 × 10.01
  4. Step 4: Simplify right side
    12.44x = 171.67
  5. Step 5: Solve for x
    x = 171.67/12.44
  6. Step 6: Final answer
    x = 13.80

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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.