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Finding the Fourth Proportional to 15,255.81, 22,879.30 and 4,581.74

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Solution

The fourth proportional to 15,255.81, 22,879.30 and 4,581.74 is: 6,871.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,255.81 : 22,879.30 = 4,581.74 : x
  2. Step 2: Convert to fraction form
    15,255.81/22,879.30 = 4,581.74/x
  3. Step 3: Cross multiply
    15,255.81x = 22,879.30 × 4,581.74
  4. Step 4: Simplify right side
    15,255.81x = 104,826,935.33
  5. Step 5: Solve for x
    x = 104,826,935.33/15,255.81
  6. Step 6: Final answer
    x = 6,871.28

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