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Finding the Fourth Proportional to 9,252.28, 13,868.70 and 5,742.28

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Solution

The fourth proportional to 9,252.28, 13,868.70 and 5,742.28 is: 8,607.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,252.28 : 13,868.70 = 5,742.28 : x
  2. Step 2: Convert to fraction form
    9,252.28/13,868.70 = 5,742.28/x
  3. Step 3: Cross multiply
    9,252.28x = 13,868.70 × 5,742.28
  4. Step 4: Simplify right side
    9,252.28x = 79,637,958.64
  5. Step 5: Solve for x
    x = 79,637,958.64/9,252.28
  6. Step 6: Final answer
    x = 8,607.39

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