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Finding the Fourth Proportional to 1,978.29, 2,730.15 and 1,094.07

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Solution

The fourth proportional to 1,978.29, 2,730.15 and 1,094.07 is: 1,509.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,978.29 : 2,730.15 = 1,094.07 : x
  2. Step 2: Convert to fraction form
    1,978.29/2,730.15 = 1,094.07/x
  3. Step 3: Cross multiply
    1,978.29x = 2,730.15 × 1,094.07
  4. Step 4: Simplify right side
    1,978.29x = 2,986,975.21
  5. Step 5: Solve for x
    x = 2,986,975.21/1,978.29
  6. Step 6: Final answer
    x = 1,509.88

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