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Finding the Fourth Proportional to 8,273.53, 12,392.47 and 3,884.41

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Solution

The fourth proportional to 8,273.53, 12,392.47 and 3,884.41 is: 5,818.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,273.53 : 12,392.47 = 3,884.41 : x
  2. Step 2: Convert to fraction form
    8,273.53/12,392.47 = 3,884.41/x
  3. Step 3: Cross multiply
    8,273.53x = 12,392.47 × 3,884.41
  4. Step 4: Simplify right side
    8,273.53x = 48,137,353.01
  5. Step 5: Solve for x
    x = 48,137,353.01/8,273.53
  6. Step 6: Final answer
    x = 5,818.24

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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.