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Finding the Fourth Proportional to 26,708, 40,062.54 and 8,240

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Solution

The fourth proportional to 26,708, 40,062.54 and 8,240 is: 12,360.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,708 : 40,062.54 = 8,240 : x
  2. Step 2: Convert to fraction form
    26,708/40,062.54 = 8,240/x
  3. Step 3: Cross multiply
    26,708x = 40,062.54 × 8,240
  4. Step 4: Simplify right side
    26,708x = 330,115,329.60
  5. Step 5: Solve for x
    x = 330,115,329.60/26,708
  6. Step 6: Final answer
    x = 12,360.17

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