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Finding the Fourth Proportional to 19,763.84, 29,654.08 and 8,664.80

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Solution

The fourth proportional to 19,763.84, 29,654.08 and 8,664.80 is: 13,000.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,763.84 : 29,654.08 = 8,664.80 : x
  2. Step 2: Convert to fraction form
    19,763.84/29,654.08 = 8,664.80/x
  3. Step 3: Cross multiply
    19,763.84x = 29,654.08 × 8,664.80
  4. Step 4: Simplify right side
    19,763.84x = 256,946,672.38
  5. Step 5: Solve for x
    x = 256,946,672.38/19,763.84
  6. Step 6: Final answer
    x = 13,000.85

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