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Finding the Fourth Proportional to 6,464.85, 8,921.15 and 3,632.33

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Solution

The fourth proportional to 6,464.85, 8,921.15 and 3,632.33 is: 5,012.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,464.85 : 8,921.15 = 3,632.33 : x
  2. Step 2: Convert to fraction form
    6,464.85/8,921.15 = 3,632.33/x
  3. Step 3: Cross multiply
    6,464.85x = 8,921.15 × 3,632.33
  4. Step 4: Simplify right side
    6,464.85x = 32,404,578.54
  5. Step 5: Solve for x
    x = 32,404,578.54/6,464.85
  6. Step 6: Final answer
    x = 5,012.43

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.