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Finding the Fourth Proportional to 6,570.64, 9,066.66 and 3,917.56

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Solution

The fourth proportional to 6,570.64, 9,066.66 and 3,917.56 is: 5,405.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,570.64 : 9,066.66 = 3,917.56 : x
  2. Step 2: Convert to fraction form
    6,570.64/9,066.66 = 3,917.56/x
  3. Step 3: Cross multiply
    6,570.64x = 9,066.66 × 3,917.56
  4. Step 4: Simplify right side
    6,570.64x = 35,519,184.55
  5. Step 5: Solve for x
    x = 35,519,184.55/6,570.64
  6. Step 6: Final answer
    x = 5,405.74

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