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Finding the Fourth Proportional to 1.44, 1.98 and 1.10

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Solution

The fourth proportional to 1.44, 1.98 and 1.10 is: 1.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1.44 : 1.98 = 1.10 : x
  2. Step 2: Convert to fraction form
    1.44/1.98 = 1.10/x
  3. Step 3: Cross multiply
    1.44x = 1.98 × 1.10
  4. Step 4: Simplify right side
    1.44x = 2.17
  5. Step 5: Solve for x
    x = 2.17/1.44
  6. Step 6: Final answer
    x = 1.51

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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.