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Finding the Fourth Proportional to 1,973.40, 2,959.88 and 1,047.97

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Solution

The fourth proportional to 1,973.40, 2,959.88 and 1,047.97 is: 1,571.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,973.40 : 2,959.88 = 1,047.97 : x
  2. Step 2: Convert to fraction form
    1,973.40/2,959.88 = 1,047.97/x
  3. Step 3: Cross multiply
    1,973.40x = 2,959.88 × 1,047.97
  4. Step 4: Simplify right side
    1,973.40x = 3,101,872.75
  5. Step 5: Solve for x
    x = 3,101,872.75/1,973.40
  6. Step 6: Final answer
    x = 1,571.84

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