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Finding the Fourth Proportional to 3,365.89, 4,644.17 and 2,039.55

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Solution

The fourth proportional to 3,365.89, 4,644.17 and 2,039.55 is: 2,814.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,365.89 : 4,644.17 = 2,039.55 : x
  2. Step 2: Convert to fraction form
    3,365.89/4,644.17 = 2,039.55/x
  3. Step 3: Cross multiply
    3,365.89x = 4,644.17 × 2,039.55
  4. Step 4: Simplify right side
    3,365.89x = 9,471,996.96
  5. Step 5: Solve for x
    x = 9,471,996.96/3,365.89
  6. Step 6: Final answer
    x = 2,814.12

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1.5x scale

Why These Related Problems?

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