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Finding the Fourth Proportional to 20,581.19, 30,871.63 and 5,790.01

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Solution

The fourth proportional to 20,581.19, 30,871.63 and 5,790.01 is: 8,684.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,581.19 : 30,871.63 = 5,790.01 : x
  2. Step 2: Convert to fraction form
    20,581.19/30,871.63 = 5,790.01/x
  3. Step 3: Cross multiply
    20,581.19x = 30,871.63 × 5,790.01
  4. Step 4: Simplify right side
    20,581.19x = 178,746,947.53
  5. Step 5: Solve for x
    x = 178,746,947.53/20,581.19
  6. Step 6: Final answer
    x = 8,684.97

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