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Finding the Fourth Proportional to 6,579.98, 9,866.58 and 2,418.92

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Solution

The fourth proportional to 6,579.98, 9,866.58 and 2,418.92 is: 3,627.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,579.98 : 9,866.58 = 2,418.92 : x
  2. Step 2: Convert to fraction form
    6,579.98/9,866.58 = 2,418.92/x
  3. Step 3: Cross multiply
    6,579.98x = 9,866.58 × 2,418.92
  4. Step 4: Simplify right side
    6,579.98x = 23,866,467.69
  5. Step 5: Solve for x
    x = 23,866,467.69/6,579.98
  6. Step 6: Final answer
    x = 3,627.13

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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.