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Finding the Fourth Proportional to 8,506.28, 12,756.59 and 3,575.00

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Solution

The fourth proportional to 8,506.28, 12,756.59 and 3,575.00 is: 5,361.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,506.28 : 12,756.59 = 3,575.00 : x
  2. Step 2: Convert to fraction form
    8,506.28/12,756.59 = 3,575.00/x
  3. Step 3: Cross multiply
    8,506.28x = 12,756.59 × 3,575.00
  4. Step 4: Simplify right side
    8,506.28x = 45,604,727.59
  5. Step 5: Solve for x
    x = 45,604,727.59/8,506.28
  6. Step 6: Final answer
    x = 5,361.30

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