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Finding the Fourth Proportional to 5.44, 7.54 and 5.34

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Solution

The fourth proportional to 5.44, 7.54 and 5.34 is: 7.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5.44 : 7.54 = 5.34 : x
  2. Step 2: Convert to fraction form
    5.44/7.54 = 5.34/x
  3. Step 3: Cross multiply
    5.44x = 7.54 × 5.34
  4. Step 4: Simplify right side
    5.44x = 40.26
  5. Step 5: Solve for x
    x = 40.26/5.44
  6. Step 6: Final answer
    x = 7.40

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.