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Finding the Fourth Proportional to 1,978.97, 2,730.96 and 1,094.81

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Solution

The fourth proportional to 1,978.97, 2,730.96 and 1,094.81 is: 1,510.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,978.97 : 2,730.96 = 1,094.81 : x
  2. Step 2: Convert to fraction form
    1,978.97/2,730.96 = 1,094.81/x
  3. Step 3: Cross multiply
    1,978.97x = 2,730.96 × 1,094.81
  4. Step 4: Simplify right side
    1,978.97x = 2,989,868.66
  5. Step 5: Solve for x
    x = 2,989,868.66/1,978.97
  6. Step 6: Final answer
    x = 1,510.82

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