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Finding the Fourth Proportional to 40,978.62, 56,544.48 and 23,070.06

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Solution

The fourth proportional to 40,978.62, 56,544.48 and 23,070.06 is: 31,833.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,978.62 : 56,544.48 = 23,070.06 : x
  2. Step 2: Convert to fraction form
    40,978.62/56,544.48 = 23,070.06/x
  3. Step 3: Cross multiply
    40,978.62x = 56,544.48 × 23,070.06
  4. Step 4: Simplify right side
    40,978.62x = 1,304,484,546.27
  5. Step 5: Solve for x
    x = 1,304,484,546.27/40,978.62
  6. Step 6: Final answer
    x = 31,833.30

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