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Finding the Fourth Proportional to 4,658.70, 6,979.84 and 2,462.60

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Solution

The fourth proportional to 4,658.70, 6,979.84 and 2,462.60 is: 3,689.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,658.70 : 6,979.84 = 2,462.60 : x
  2. Step 2: Convert to fraction form
    4,658.70/6,979.84 = 2,462.60/x
  3. Step 3: Cross multiply
    4,658.70x = 6,979.84 × 2,462.60
  4. Step 4: Simplify right side
    4,658.70x = 17,188,553.98
  5. Step 5: Solve for x
    x = 17,188,553.98/4,658.70
  6. Step 6: Final answer
    x = 3,689.56

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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.