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Finding the Fourth Proportional to 97.59, 146.37 and 39.82

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Solution

The fourth proportional to 97.59, 146.37 and 39.82 is: 59.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    97.59 : 146.37 = 39.82 : x
  2. Step 2: Convert to fraction form
    97.59/146.37 = 39.82/x
  3. Step 3: Cross multiply
    97.59x = 146.37 × 39.82
  4. Step 4: Simplify right side
    97.59x = 5,828.45
  5. Step 5: Solve for x
    x = 5,828.45/97.59
  6. Step 6: Final answer
    x = 59.72

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