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Finding the Fourth Proportional to 3,818.55, 5,723.04 and 2,063.49

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Solution

The fourth proportional to 3,818.55, 5,723.04 and 2,063.49 is: 3,092.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,818.55 : 5,723.04 = 2,063.49 : x
  2. Step 2: Convert to fraction form
    3,818.55/5,723.04 = 2,063.49/x
  3. Step 3: Cross multiply
    3,818.55x = 5,723.04 × 2,063.49
  4. Step 4: Simplify right side
    3,818.55x = 11,809,435.81
  5. Step 5: Solve for x
    x = 11,809,435.81/3,818.55
  6. Step 6: Final answer
    x = 3,092.65

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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.