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Finding the Fourth Proportional to 19,725.56, 29,586.72 and 5,874.56

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Solution

The fourth proportional to 19,725.56, 29,586.72 and 5,874.56 is: 8,811.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,725.56 : 29,586.72 = 5,874.56 : x
  2. Step 2: Convert to fraction form
    19,725.56/29,586.72 = 5,874.56/x
  3. Step 3: Cross multiply
    19,725.56x = 29,586.72 × 5,874.56
  4. Step 4: Simplify right side
    19,725.56x = 173,808,961.84
  5. Step 5: Solve for x
    x = 173,808,961.84/19,725.56
  6. Step 6: Final answer
    x = 8,811.36

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