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Finding the Fourth Proportional to 3,664.63, 5,489.62 and 2,202.99

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Solution

The fourth proportional to 3,664.63, 5,489.62 and 2,202.99 is: 3,300.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,664.63 : 5,489.62 = 2,202.99 : x
  2. Step 2: Convert to fraction form
    3,664.63/5,489.62 = 2,202.99/x
  3. Step 3: Cross multiply
    3,664.63x = 5,489.62 × 2,202.99
  4. Step 4: Simplify right side
    3,664.63x = 12,093,577.96
  5. Step 5: Solve for x
    x = 12,093,577.96/3,664.63
  6. Step 6: Final answer
    x = 3,300.08

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Why These Related Problems?

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