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Finding the Fourth Proportional to 9,272.76, 13,904.82 and 5,378.28

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Solution

The fourth proportional to 9,272.76, 13,904.82 and 5,378.28 is: 8,064.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,272.76 : 13,904.82 = 5,378.28 : x
  2. Step 2: Convert to fraction form
    9,272.76/13,904.82 = 5,378.28/x
  3. Step 3: Cross multiply
    9,272.76x = 13,904.82 × 5,378.28
  4. Step 4: Simplify right side
    9,272.76x = 74,784,015.31
  5. Step 5: Solve for x
    x = 74,784,015.31/9,272.76
  6. Step 6: Final answer
    x = 8,064.91

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