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Finding the Fourth Proportional to 3,339.53, 5,012.55 and 1,609.37

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Solution

The fourth proportional to 3,339.53, 5,012.55 and 1,609.37 is: 2,415.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,339.53 : 5,012.55 = 1,609.37 : x
  2. Step 2: Convert to fraction form
    3,339.53/5,012.55 = 1,609.37/x
  3. Step 3: Cross multiply
    3,339.53x = 5,012.55 × 1,609.37
  4. Step 4: Simplify right side
    3,339.53x = 8,067,060.12
  5. Step 5: Solve for x
    x = 8,067,060.12/3,339.53
  6. Step 6: Final answer
    x = 2,415.63

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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.