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Finding the Fourth Proportional to 59.84, 89.76 and 38.48

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Solution

The fourth proportional to 59.84, 89.76 and 38.48 is: 57.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.84 : 89.76 = 38.48 : x
  2. Step 2: Convert to fraction form
    59.84/89.76 = 38.48/x
  3. Step 3: Cross multiply
    59.84x = 89.76 × 38.48
  4. Step 4: Simplify right side
    59.84x = 3,453.96
  5. Step 5: Solve for x
    x = 3,453.96/59.84
  6. Step 6: Final answer
    x = 57.72

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