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Finding the Fourth Proportional to 8.25, 11.37 and 5.52

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Solution

The fourth proportional to 8.25, 11.37 and 5.52 is: 7.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8.25 : 11.37 = 5.52 : x
  2. Step 2: Convert to fraction form
    8.25/11.37 = 5.52/x
  3. Step 3: Cross multiply
    8.25x = 11.37 × 5.52
  4. Step 4: Simplify right side
    8.25x = 62.83
  5. Step 5: Solve for x
    x = 62.83/8.25
  6. Step 6: Final answer
    x = 7.62

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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.