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Finding the Fourth Proportional to 9,326.72, 13,978.20 and 4,946.24

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Solution

The fourth proportional to 9,326.72, 13,978.20 and 4,946.24 is: 7,413.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,326.72 : 13,978.20 = 4,946.24 : x
  2. Step 2: Convert to fraction form
    9,326.72/13,978.20 = 4,946.24/x
  3. Step 3: Cross multiply
    9,326.72x = 13,978.20 × 4,946.24
  4. Step 4: Simplify right side
    9,326.72x = 69,139,531.97
  5. Step 5: Solve for x
    x = 69,139,531.97/9,326.72
  6. Step 6: Final answer
    x = 7,413.06

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