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Finding the Fourth Proportional to 31,260.56, 46,876.64 and 13,482.81

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Solution

The fourth proportional to 31,260.56, 46,876.64 and 13,482.81 is: 20,218.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,260.56 : 46,876.64 = 13,482.81 : x
  2. Step 2: Convert to fraction form
    31,260.56/46,876.64 = 13,482.81/x
  3. Step 3: Cross multiply
    31,260.56x = 46,876.64 × 13,482.81
  4. Step 4: Simplify right side
    31,260.56x = 632,028,763.14
  5. Step 5: Solve for x
    x = 632,028,763.14/31,260.56
  6. Step 6: Final answer
    x = 20,218.09

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