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Finding the Fourth Proportional to 56,963.68, 85,435.44 and 15,413.92

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Solution

The fourth proportional to 56,963.68, 85,435.44 and 15,413.92 is: 23,118.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,963.68 : 85,435.44 = 15,413.92 : x
  2. Step 2: Convert to fraction form
    56,963.68/85,435.44 = 15,413.92/x
  3. Step 3: Cross multiply
    56,963.68x = 85,435.44 × 15,413.92
  4. Step 4: Simplify right side
    56,963.68x = 1,316,895,037.32
  5. Step 5: Solve for x
    x = 1,316,895,037.32/56,963.68
  6. Step 6: Final answer
    x = 23,118.15

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