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Finding the Fourth Proportional to 6,443.56, 8,890.80 and 3,648.52

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Solution

The fourth proportional to 6,443.56, 8,890.80 and 3,648.52 is: 5,034.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,443.56 : 8,890.80 = 3,648.52 : x
  2. Step 2: Convert to fraction form
    6,443.56/8,890.80 = 3,648.52/x
  3. Step 3: Cross multiply
    6,443.56x = 8,890.80 × 3,648.52
  4. Step 4: Simplify right side
    6,443.56x = 32,438,261.62
  5. Step 5: Solve for x
    x = 32,438,261.62/6,443.56
  6. Step 6: Final answer
    x = 5,034.21

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