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Finding the Fourth Proportional to 1,954.71, 2,932.36 and 656.48

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Solution

The fourth proportional to 1,954.71, 2,932.36 and 656.48 is: 984.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,954.71 : 2,932.36 = 656.48 : x
  2. Step 2: Convert to fraction form
    1,954.71/2,932.36 = 656.48/x
  3. Step 3: Cross multiply
    1,954.71x = 2,932.36 × 656.48
  4. Step 4: Simplify right side
    1,954.71x = 1,925,034.98
  5. Step 5: Solve for x
    x = 1,925,034.98/1,954.71
  6. Step 6: Final answer
    x = 984.82

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