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Finding the Fourth Proportional to 8,028.01, 12,037.54 and 2,479.78

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Solution

The fourth proportional to 8,028.01, 12,037.54 and 2,479.78 is: 3,718.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,028.01 : 12,037.54 = 2,479.78 : x
  2. Step 2: Convert to fraction form
    8,028.01/12,037.54 = 2,479.78/x
  3. Step 3: Cross multiply
    8,028.01x = 12,037.54 × 2,479.78
  4. Step 4: Simplify right side
    8,028.01x = 29,850,450.94
  5. Step 5: Solve for x
    x = 29,850,450.94/8,028.01
  6. Step 6: Final answer
    x = 3,718.29

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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.