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Finding the Fourth Proportional to 21,687.20, 32,531.93 and 6,106.04

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Solution

The fourth proportional to 21,687.20, 32,531.93 and 6,106.04 is: 9,159.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,687.20 : 32,531.93 = 6,106.04 : x
  2. Step 2: Convert to fraction form
    21,687.20/32,531.93 = 6,106.04/x
  3. Step 3: Cross multiply
    21,687.20x = 32,531.93 × 6,106.04
  4. Step 4: Simplify right side
    21,687.20x = 198,641,072.67
  5. Step 5: Solve for x
    x = 198,641,072.67/21,687.20
  6. Step 6: Final answer
    x = 9,159.37

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