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Finding the Fourth Proportional to 3,633.34, 5,445.21 and 1,322.62

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Solution

The fourth proportional to 3,633.34, 5,445.21 and 1,322.62 is: 1,982.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,633.34 : 5,445.21 = 1,322.62 : x
  2. Step 2: Convert to fraction form
    3,633.34/5,445.21 = 1,322.62/x
  3. Step 3: Cross multiply
    3,633.34x = 5,445.21 × 1,322.62
  4. Step 4: Simplify right side
    3,633.34x = 7,201,943.65
  5. Step 5: Solve for x
    x = 7,201,943.65/3,633.34
  6. Step 6: Final answer
    x = 1,982.18

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.