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Finding the Fourth Proportional to 13,811.16, 20,726.10 and 5,046.60

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Solution

The fourth proportional to 13,811.16, 20,726.10 and 5,046.60 is: 7,573.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,811.16 : 20,726.10 = 5,046.60 : x
  2. Step 2: Convert to fraction form
    13,811.16/20,726.10 = 5,046.60/x
  3. Step 3: Cross multiply
    13,811.16x = 20,726.10 × 5,046.60
  4. Step 4: Simplify right side
    13,811.16x = 104,596,336.26
  5. Step 5: Solve for x
    x = 104,596,336.26/13,811.16
  6. Step 6: Final answer
    x = 7,573.32

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