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Finding the Fourth Proportional to 2,659.32, 3,984.94 and 1,270.75

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Solution

The fourth proportional to 2,659.32, 3,984.94 and 1,270.75 is: 1,904.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,659.32 : 3,984.94 = 1,270.75 : x
  2. Step 2: Convert to fraction form
    2,659.32/3,984.94 = 1,270.75/x
  3. Step 3: Cross multiply
    2,659.32x = 3,984.94 × 1,270.75
  4. Step 4: Simplify right side
    2,659.32x = 5,063,862.51
  5. Step 5: Solve for x
    x = 5,063,862.51/2,659.32
  6. Step 6: Final answer
    x = 1,904.19

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