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Finding the Fourth Proportional to 7,132.38, 10,698.44 and 1,938.12

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Solution

The fourth proportional to 7,132.38, 10,698.44 and 1,938.12 is: 2,907.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,132.38 : 10,698.44 = 1,938.12 : x
  2. Step 2: Convert to fraction form
    7,132.38/10,698.44 = 1,938.12/x
  3. Step 3: Cross multiply
    7,132.38x = 10,698.44 × 1,938.12
  4. Step 4: Simplify right side
    7,132.38x = 20,734,850.84
  5. Step 5: Solve for x
    x = 20,734,850.84/7,132.38
  6. Step 6: Final answer
    x = 2,907.14

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