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Finding the Fourth Proportional to 8,361.48, 12,542.28 and 6,799.66

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Solution

The fourth proportional to 8,361.48, 12,542.28 and 6,799.66 is: 10,199.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,361.48 : 12,542.28 = 6,799.66 : x
  2. Step 2: Convert to fraction form
    8,361.48/12,542.28 = 6,799.66/x
  3. Step 3: Cross multiply
    8,361.48x = 12,542.28 × 6,799.66
  4. Step 4: Simplify right side
    8,361.48x = 85,283,239.62
  5. Step 5: Solve for x
    x = 85,283,239.62/8,361.48
  6. Step 6: Final answer
    x = 10,199.54

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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.