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Finding the Fourth Proportional to 31,158.48, 46,736.16 and 11,435.48

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Solution

The fourth proportional to 31,158.48, 46,736.16 and 11,435.48 is: 17,152.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,158.48 : 46,736.16 = 11,435.48 : x
  2. Step 2: Convert to fraction form
    31,158.48/46,736.16 = 11,435.48/x
  3. Step 3: Cross multiply
    31,158.48x = 46,736.16 × 11,435.48
  4. Step 4: Simplify right side
    31,158.48x = 534,450,422.96
  5. Step 5: Solve for x
    x = 534,450,422.96/31,158.48
  6. Step 6: Final answer
    x = 17,152.65

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