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Finding the Fourth Proportional to 36,894.47, 55,308.83 and 13,515.44

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Solution

The fourth proportional to 36,894.47, 55,308.83 and 13,515.44 is: 20,261.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,894.47 : 55,308.83 = 13,515.44 : x
  2. Step 2: Convert to fraction form
    36,894.47/55,308.83 = 13,515.44/x
  3. Step 3: Cross multiply
    36,894.47x = 55,308.83 × 13,515.44
  4. Step 4: Simplify right side
    36,894.47x = 747,522,829.21
  5. Step 5: Solve for x
    x = 747,522,829.21/36,894.47
  6. Step 6: Final answer
    x = 20,261.11

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