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Finding the Fourth Proportional to 1,978.86, 2,730.71 and 1,094.75

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Solution

The fourth proportional to 1,978.86, 2,730.71 and 1,094.75 is: 1,510.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,978.86 : 2,730.71 = 1,094.75 : x
  2. Step 2: Convert to fraction form
    1,978.86/2,730.71 = 1,094.75/x
  3. Step 3: Cross multiply
    1,978.86x = 2,730.71 × 1,094.75
  4. Step 4: Simplify right side
    1,978.86x = 2,989,444.10
  5. Step 5: Solve for x
    x = 2,989,444.10/1,978.86
  6. Step 6: Final answer
    x = 1,510.69

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