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Finding the Fourth Proportional to 3,604.53, 5,394.15 and 2,618.49

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Solution

The fourth proportional to 3,604.53, 5,394.15 and 2,618.49 is: 3,918.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,604.53 : 5,394.15 = 2,618.49 : x
  2. Step 2: Convert to fraction form
    3,604.53/5,394.15 = 2,618.49/x
  3. Step 3: Cross multiply
    3,604.53x = 5,394.15 × 2,618.49
  4. Step 4: Simplify right side
    3,604.53x = 14,124,527.83
  5. Step 5: Solve for x
    x = 14,124,527.83/3,604.53
  6. Step 6: Final answer
    x = 3,918.55

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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.