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Finding the Fourth Proportional to 1,971.02, 2,956.42 and 738.34

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Solution

The fourth proportional to 1,971.02, 2,956.42 and 738.34 is: 1,107.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971.02 : 2,956.42 = 738.34 : x
  2. Step 2: Convert to fraction form
    1,971.02/2,956.42 = 738.34/x
  3. Step 3: Cross multiply
    1,971.02x = 2,956.42 × 738.34
  4. Step 4: Simplify right side
    1,971.02x = 2,182,843.14
  5. Step 5: Solve for x
    x = 2,182,843.14/1,971.02
  6. Step 6: Final answer
    x = 1,107.47

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