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Finding the Fourth Proportional to 51,756.90, 77,518.71 and 30,936.66

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Solution

The fourth proportional to 51,756.90, 77,518.71 and 30,936.66 is: 46,335.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,756.90 : 77,518.71 = 30,936.66 : x
  2. Step 2: Convert to fraction form
    51,756.90/77,518.71 = 30,936.66/x
  3. Step 3: Cross multiply
    51,756.90x = 77,518.71 × 30,936.66
  4. Step 4: Simplify right side
    51,756.90x = 2,398,169,974.91
  5. Step 5: Solve for x
    x = 2,398,169,974.91/51,756.90
  6. Step 6: Final answer
    x = 46,335.27

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