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Finding the Fourth Proportional to 49,412.73, 74,118.65 and 21,352.61

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Solution

The fourth proportional to 49,412.73, 74,118.65 and 21,352.61 is: 32,028.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,412.73 : 74,118.65 = 21,352.61 : x
  2. Step 2: Convert to fraction form
    49,412.73/74,118.65 = 21,352.61/x
  3. Step 3: Cross multiply
    49,412.73x = 74,118.65 × 21,352.61
  4. Step 4: Simplify right side
    49,412.73x = 1,582,626,705.71
  5. Step 5: Solve for x
    x = 1,582,626,705.71/49,412.73
  6. Step 6: Final answer
    x = 32,028.72

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