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Finding the Fourth Proportional to 9,862.64, 14,815.86 and 6,117.19

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Solution

The fourth proportional to 9,862.64, 14,815.86 and 6,117.19 is: 9,189.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,862.64 : 14,815.86 = 6,117.19 : x
  2. Step 2: Convert to fraction form
    9,862.64/14,815.86 = 6,117.19/x
  3. Step 3: Cross multiply
    9,862.64x = 14,815.86 × 6,117.19
  4. Step 4: Simplify right side
    9,862.64x = 90,631,437.80
  5. Step 5: Solve for x
    x = 90,631,437.80/9,862.64
  6. Step 6: Final answer
    x = 9,189.37

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