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Finding the Fourth Proportional to 8,063.41, 12,099.78 and 3,383

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Solution

The fourth proportional to 8,063.41, 12,099.78 and 3,383 is: 5,076.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,063.41 : 12,099.78 = 3,383 : x
  2. Step 2: Convert to fraction form
    8,063.41/12,099.78 = 3,383/x
  3. Step 3: Cross multiply
    8,063.41x = 12,099.78 × 3,383
  4. Step 4: Simplify right side
    8,063.41x = 40,933,555.74
  5. Step 5: Solve for x
    x = 40,933,555.74/8,063.41
  6. Step 6: Final answer
    x = 5,076.46

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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.