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Finding the Fourth Proportional to 59.22, 88.88 and 31.82

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Solution

The fourth proportional to 59.22, 88.88 and 31.82 is: 47.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.22 : 88.88 = 31.82 : x
  2. Step 2: Convert to fraction form
    59.22/88.88 = 31.82/x
  3. Step 3: Cross multiply
    59.22x = 88.88 × 31.82
  4. Step 4: Simplify right side
    59.22x = 2,827.56
  5. Step 5: Solve for x
    x = 2,827.56/59.22
  6. Step 6: Final answer
    x = 47.75

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