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Finding the Fourth Proportional to 5.74, 7.94 and 5.44

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Solution

The fourth proportional to 5.74, 7.94 and 5.44 is: 7.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5.74 : 7.94 = 5.44 : x
  2. Step 2: Convert to fraction form
    5.74/7.94 = 5.44/x
  3. Step 3: Cross multiply
    5.74x = 7.94 × 5.44
  4. Step 4: Simplify right side
    5.74x = 43.19
  5. Step 5: Solve for x
    x = 43.19/5.74
  6. Step 6: Final answer
    x = 7.53

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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.