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Finding the Fourth Proportional to 10.73, 16.09 and 3.60

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Solution

The fourth proportional to 10.73, 16.09 and 3.60 is: 5.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10.73 : 16.09 = 3.60 : x
  2. Step 2: Convert to fraction form
    10.73/16.09 = 3.60/x
  3. Step 3: Cross multiply
    10.73x = 16.09 × 3.60
  4. Step 4: Simplify right side
    10.73x = 57.96
  5. Step 5: Solve for x
    x = 57.96/10.73
  6. Step 6: Final answer
    x = 5.40

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