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Finding the Fourth Proportional to 6,464.49, 8,920.99 and 3,669.99

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Solution

The fourth proportional to 6,464.49, 8,920.99 and 3,669.99 is: 5,064.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,464.49 : 8,920.99 = 3,669.99 : x
  2. Step 2: Convert to fraction form
    6,464.49/8,920.99 = 3,669.99/x
  3. Step 3: Cross multiply
    6,464.49x = 8,920.99 × 3,669.99
  4. Step 4: Simplify right side
    6,464.49x = 32,739,948.68
  5. Step 5: Solve for x
    x = 32,739,948.68/6,464.49
  6. Step 6: Final answer
    x = 5,064.58

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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.