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Finding the Fourth Proportional to 1,993.22, 2,750.64 and 1,109.11

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Solution

The fourth proportional to 1,993.22, 2,750.64 and 1,109.11 is: 1,530.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993.22 : 2,750.64 = 1,109.11 : x
  2. Step 2: Convert to fraction form
    1,993.22/2,750.64 = 1,109.11/x
  3. Step 3: Cross multiply
    1,993.22x = 2,750.64 × 1,109.11
  4. Step 4: Simplify right side
    1,993.22x = 3,050,762.33
  5. Step 5: Solve for x
    x = 3,050,762.33/1,993.22
  6. Step 6: Final answer
    x = 1,530.57

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