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Finding the Fourth Proportional to 32,143.72, 48,216.86 and 13,663.08

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Solution

The fourth proportional to 32,143.72, 48,216.86 and 13,663.08 is: 20,495.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,143.72 : 48,216.86 = 13,663.08 : x
  2. Step 2: Convert to fraction form
    32,143.72/48,216.86 = 13,663.08/x
  3. Step 3: Cross multiply
    32,143.72x = 48,216.86 × 13,663.08
  4. Step 4: Simplify right side
    32,143.72x = 658,790,815.53
  5. Step 5: Solve for x
    x = 658,790,815.53/32,143.72
  6. Step 6: Final answer
    x = 20,495.16

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