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Finding the Fourth Proportional to 8,175.52, 12,262.74 and 2,019.52

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Solution

The fourth proportional to 8,175.52, 12,262.74 and 2,019.52 is: 3,029.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,175.52 : 12,262.74 = 2,019.52 : x
  2. Step 2: Convert to fraction form
    8,175.52/12,262.74 = 2,019.52/x
  3. Step 3: Cross multiply
    8,175.52x = 12,262.74 × 2,019.52
  4. Step 4: Simplify right side
    8,175.52x = 24,764,848.68
  5. Step 5: Solve for x
    x = 24,764,848.68/8,175.52
  6. Step 6: Final answer
    x = 3,029.15

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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.