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Finding the Fourth Proportional to 10,231.74, 15,320.25 and 5,843.16

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Solution

The fourth proportional to 10,231.74, 15,320.25 and 5,843.16 is: 8,749.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,231.74 : 15,320.25 = 5,843.16 : x
  2. Step 2: Convert to fraction form
    10,231.74/15,320.25 = 5,843.16/x
  3. Step 3: Cross multiply
    10,231.74x = 15,320.25 × 5,843.16
  4. Step 4: Simplify right side
    10,231.74x = 89,518,671.99
  5. Step 5: Solve for x
    x = 89,518,671.99/10,231.74
  6. Step 6: Final answer
    x = 8,749.12

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