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Finding the Fourth Proportional to 19,797.84, 29,702.23 and 17,621.78

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Solution

The fourth proportional to 19,797.84, 29,702.23 and 17,621.78 is: 26,437.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,797.84 : 29,702.23 = 17,621.78 : x
  2. Step 2: Convert to fraction form
    19,797.84/29,702.23 = 17,621.78/x
  3. Step 3: Cross multiply
    19,797.84x = 29,702.23 × 17,621.78
  4. Step 4: Simplify right side
    19,797.84x = 523,405,970.00
  5. Step 5: Solve for x
    x = 523,405,970.00/19,797.84
  6. Step 6: Final answer
    x = 26,437.53

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