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Finding the Fourth Proportional to 2.44, 3.36 and 1.36

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Solution

The fourth proportional to 2.44, 3.36 and 1.36 is: 1.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2.44 : 3.36 = 1.36 : x
  2. Step 2: Convert to fraction form
    2.44/3.36 = 1.36/x
  3. Step 3: Cross multiply
    2.44x = 3.36 × 1.36
  4. Step 4: Simplify right side
    2.44x = 4.57
  5. Step 5: Solve for x
    x = 4.57/2.44
  6. Step 6: Final answer
    x = 1.88

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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.