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Finding the Fourth Proportional to 5.48, 7.54 and 4.26

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Solution

The fourth proportional to 5.48, 7.54 and 4.26 is: 5.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5.48 : 7.54 = 4.26 : x
  2. Step 2: Convert to fraction form
    5.48/7.54 = 4.26/x
  3. Step 3: Cross multiply
    5.48x = 7.54 × 4.26
  4. Step 4: Simplify right side
    5.48x = 32.12
  5. Step 5: Solve for x
    x = 32.12/5.48
  6. Step 6: Final answer
    x = 5.87

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.