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Finding the Fourth Proportional to 8,396.61, 12,593.30 and 3,201.27

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Solution

The fourth proportional to 8,396.61, 12,593.30 and 3,201.27 is: 4,801.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,396.61 : 12,593.30 = 3,201.27 : x
  2. Step 2: Convert to fraction form
    8,396.61/12,593.30 = 3,201.27/x
  3. Step 3: Cross multiply
    8,396.61x = 12,593.30 × 3,201.27
  4. Step 4: Simplify right side
    8,396.61x = 40,314,537.48
  5. Step 5: Solve for x
    x = 40,314,537.48/8,396.61
  6. Step 6: Final answer
    x = 4,801.29

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1.5x scale

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.