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Finding the Fourth Proportional to 38,907.80, 58,356.24 and 22,213.68

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Solution

The fourth proportional to 38,907.80, 58,356.24 and 22,213.68 is: 33,317.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,907.80 : 58,356.24 = 22,213.68 : x
  2. Step 2: Convert to fraction form
    38,907.80/58,356.24 = 22,213.68/x
  3. Step 3: Cross multiply
    38,907.80x = 58,356.24 × 22,213.68
  4. Step 4: Simplify right side
    38,907.80x = 1,296,306,841.36
  5. Step 5: Solve for x
    x = 1,296,306,841.36/38,907.80
  6. Step 6: Final answer
    x = 33,317.40

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