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Finding the Fourth Proportional to 64.25, 96.36 and 23.12

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Solution

The fourth proportional to 64.25, 96.36 and 23.12 is: 34.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    64.25 : 96.36 = 23.12 : x
  2. Step 2: Convert to fraction form
    64.25/96.36 = 23.12/x
  3. Step 3: Cross multiply
    64.25x = 96.36 × 23.12
  4. Step 4: Simplify right side
    64.25x = 2,227.42
  5. Step 5: Solve for x
    x = 2,227.42/64.25
  6. Step 6: Final answer
    x = 34.67

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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.