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Finding the Fourth Proportional to 15.14, 22.72 and 6.13

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Solution

The fourth proportional to 15.14, 22.72 and 6.13 is: 9.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15.14 : 22.72 = 6.13 : x
  2. Step 2: Convert to fraction form
    15.14/22.72 = 6.13/x
  3. Step 3: Cross multiply
    15.14x = 22.72 × 6.13
  4. Step 4: Simplify right side
    15.14x = 139.16
  5. Step 5: Solve for x
    x = 139.16/15.14
  6. Step 6: Final answer
    x = 9.19

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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.