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Finding the Fourth Proportional to 6,239.03, 8,649.28 and 5,906.12

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Solution

The fourth proportional to 6,239.03, 8,649.28 and 5,906.12 is: 8,187.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,239.03 : 8,649.28 = 5,906.12 : x
  2. Step 2: Convert to fraction form
    6,239.03/8,649.28 = 5,906.12/x
  3. Step 3: Cross multiply
    6,239.03x = 8,649.28 × 5,906.12
  4. Step 4: Simplify right side
    6,239.03x = 51,083,649.73
  5. Step 5: Solve for x
    x = 51,083,649.73/6,239.03
  6. Step 6: Final answer
    x = 8,187.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.