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Finding the Fourth Proportional to 31,103.04, 46,653.36 and 8,916.36

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Solution

The fourth proportional to 31,103.04, 46,653.36 and 8,916.36 is: 13,374.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,103.04 : 46,653.36 = 8,916.36 : x
  2. Step 2: Convert to fraction form
    31,103.04/46,653.36 = 8,916.36/x
  3. Step 3: Cross multiply
    31,103.04x = 46,653.36 × 8,916.36
  4. Step 4: Simplify right side
    31,103.04x = 415,978,152.97
  5. Step 5: Solve for x
    x = 415,978,152.97/31,103.04
  6. Step 6: Final answer
    x = 13,374.20

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