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Finding the Fourth Proportional to 2,684.80, 4,029 and 2,462.44

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Solution

The fourth proportional to 2,684.80, 4,029 and 2,462.44 is: 3,695.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,684.80 : 4,029 = 2,462.44 : x
  2. Step 2: Convert to fraction form
    2,684.80/4,029 = 2,462.44/x
  3. Step 3: Cross multiply
    2,684.80x = 4,029 × 2,462.44
  4. Step 4: Simplify right side
    2,684.80x = 9,921,170.76
  5. Step 5: Solve for x
    x = 9,921,170.76/2,684.80
  6. Step 6: Final answer
    x = 3,695.31

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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.