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Finding the Fourth Proportional to 8,963.36, 13,436.40 and 4,582.88

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Solution

The fourth proportional to 8,963.36, 13,436.40 and 4,582.88 is: 6,869.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,963.36 : 13,436.40 = 4,582.88 : x
  2. Step 2: Convert to fraction form
    8,963.36/13,436.40 = 4,582.88/x
  3. Step 3: Cross multiply
    8,963.36x = 13,436.40 × 4,582.88
  4. Step 4: Simplify right side
    8,963.36x = 61,577,408.83
  5. Step 5: Solve for x
    x = 61,577,408.83/8,963.36
  6. Step 6: Final answer
    x = 6,869.90

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