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Finding the Fourth Proportional to 64.09, 96.27 and 40.06

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Solution

The fourth proportional to 64.09, 96.27 and 40.06 is: 60.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    64.09 : 96.27 = 40.06 : x
  2. Step 2: Convert to fraction form
    64.09/96.27 = 40.06/x
  3. Step 3: Cross multiply
    64.09x = 96.27 × 40.06
  4. Step 4: Simplify right side
    64.09x = 3,856.58
  5. Step 5: Solve for x
    x = 3,856.58/64.09
  6. Step 6: Final answer
    x = 60.17

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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.