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Finding the Fourth Proportional to 9,172.55, 13,758.73 and 2,932.49

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Solution

The fourth proportional to 9,172.55, 13,758.73 and 2,932.49 is: 4,398.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,172.55 : 13,758.73 = 2,932.49 : x
  2. Step 2: Convert to fraction form
    9,172.55/13,758.73 = 2,932.49/x
  3. Step 3: Cross multiply
    9,172.55x = 13,758.73 × 2,932.49
  4. Step 4: Simplify right side
    9,172.55x = 40,347,262.01
  5. Step 5: Solve for x
    x = 40,347,262.01/9,172.55
  6. Step 6: Final answer
    x = 4,398.70

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