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Finding the Fourth Proportional to 17,112.77, 25,670.06 and 5,426.90

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Solution

The fourth proportional to 17,112.77, 25,670.06 and 5,426.90 is: 8,140.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,112.77 : 25,670.06 = 5,426.90 : x
  2. Step 2: Convert to fraction form
    17,112.77/25,670.06 = 5,426.90/x
  3. Step 3: Cross multiply
    17,112.77x = 25,670.06 × 5,426.90
  4. Step 4: Simplify right side
    17,112.77x = 139,308,848.61
  5. Step 5: Solve for x
    x = 139,308,848.61/17,112.77
  6. Step 6: Final answer
    x = 8,140.64

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