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Finding the Fourth Proportional to 25,876.48, 38,815.80 and 8,344.12

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Solution

The fourth proportional to 25,876.48, 38,815.80 and 8,344.12 is: 12,516.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,876.48 : 38,815.80 = 8,344.12 : x
  2. Step 2: Convert to fraction form
    25,876.48/38,815.80 = 8,344.12/x
  3. Step 3: Cross multiply
    25,876.48x = 38,815.80 × 8,344.12
  4. Step 4: Simplify right side
    25,876.48x = 323,883,693.10
  5. Step 5: Solve for x
    x = 323,883,693.10/25,876.48
  6. Step 6: Final answer
    x = 12,516.53

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