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Finding the Fourth Proportional to 49,040.60, 73,468.08 and 28,990.06

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Solution

The fourth proportional to 49,040.60, 73,468.08 and 28,990.06 is: 43,430.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,040.60 : 73,468.08 = 28,990.06 : x
  2. Step 2: Convert to fraction form
    49,040.60/73,468.08 = 28,990.06/x
  3. Step 3: Cross multiply
    49,040.60x = 73,468.08 × 28,990.06
  4. Step 4: Simplify right side
    49,040.60x = 2,129,843,863.61
  5. Step 5: Solve for x
    x = 2,129,843,863.61/49,040.60
  6. Step 6: Final answer
    x = 43,430.22

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