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Finding the Fourth Proportional to 2,978.16, 4,109.97 and 1,799.01

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Solution

The fourth proportional to 2,978.16, 4,109.97 and 1,799.01 is: 2,482.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,978.16 : 4,109.97 = 1,799.01 : x
  2. Step 2: Convert to fraction form
    2,978.16/4,109.97 = 1,799.01/x
  3. Step 3: Cross multiply
    2,978.16x = 4,109.97 × 1,799.01
  4. Step 4: Simplify right side
    2,978.16x = 7,393,856.58
  5. Step 5: Solve for x
    x = 7,393,856.58/2,978.16
  6. Step 6: Final answer
    x = 2,482.69

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