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Finding the Fourth Proportional to 61,028.01, 91,542.33 and 21,585.17

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Solution

The fourth proportional to 61,028.01, 91,542.33 and 21,585.17 is: 32,377.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,028.01 : 91,542.33 = 21,585.17 : x
  2. Step 2: Convert to fraction form
    61,028.01/91,542.33 = 21,585.17/x
  3. Step 3: Cross multiply
    61,028.01x = 91,542.33 × 21,585.17
  4. Step 4: Simplify right side
    61,028.01x = 1,975,956,297.53
  5. Step 5: Solve for x
    x = 1,975,956,297.53/61,028.01
  6. Step 6: Final answer
    x = 32,377.86

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