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Finding the Fourth Proportional to 6,440.86, 9,659.64 and 2,056.06

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Solution

The fourth proportional to 6,440.86, 9,659.64 and 2,056.06 is: 3,083.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,440.86 : 9,659.64 = 2,056.06 : x
  2. Step 2: Convert to fraction form
    6,440.86/9,659.64 = 2,056.06/x
  3. Step 3: Cross multiply
    6,440.86x = 9,659.64 × 2,056.06
  4. Step 4: Simplify right side
    6,440.86x = 19,860,799.42
  5. Step 5: Solve for x
    x = 19,860,799.42/6,440.86
  6. Step 6: Final answer
    x = 3,083.56

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