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Finding the Fourth Proportional to 8,227.68, 12,347.00 and 3,845.48

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Solution

The fourth proportional to 8,227.68, 12,347.00 and 3,845.48 is: 5,770.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,227.68 : 12,347.00 = 3,845.48 : x
  2. Step 2: Convert to fraction form
    8,227.68/12,347.00 = 3,845.48/x
  3. Step 3: Cross multiply
    8,227.68x = 12,347.00 × 3,845.48
  4. Step 4: Simplify right side
    8,227.68x = 47,480,060.60
  5. Step 5: Solve for x
    x = 47,480,060.60/8,227.68
  6. Step 6: Final answer
    x = 5,770.77

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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.