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Finding the Fourth Proportional to 0.96, 1.44 and 0.74

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Solution

The fourth proportional to 0.96, 1.44 and 0.74 is: 1.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    0.96 : 1.44 = 0.74 : x
  2. Step 2: Convert to fraction form
    0.96/1.44 = 0.74/x
  3. Step 3: Cross multiply
    0.96x = 1.44 × 0.74
  4. Step 4: Simplify right side
    0.96x = 1.05
  5. Step 5: Solve for x
    x = 1.05/0.96
  6. Step 6: Final answer
    x = 1.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.