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Finding the Fourth Proportional to 49,376.31, 74,019.70 and 17,778.94

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Solution

The fourth proportional to 49,376.31, 74,019.70 and 17,778.94 is: 26,652.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,376.31 : 74,019.70 = 17,778.94 : x
  2. Step 2: Convert to fraction form
    49,376.31/74,019.70 = 17,778.94/x
  3. Step 3: Cross multiply
    49,376.31x = 74,019.70 × 17,778.94
  4. Step 4: Simplify right side
    49,376.31x = 1,315,992,008.65
  5. Step 5: Solve for x
    x = 1,315,992,008.65/49,376.31
  6. Step 6: Final answer
    x = 26,652.30

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