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Finding the Fourth Proportional to 6,201.86, 8,550.60 and 3,959.97

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Solution

The fourth proportional to 6,201.86, 8,550.60 and 3,959.97 is: 5,459.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,201.86 : 8,550.60 = 3,959.97 : x
  2. Step 2: Convert to fraction form
    6,201.86/8,550.60 = 3,959.97/x
  3. Step 3: Cross multiply
    6,201.86x = 8,550.60 × 3,959.97
  4. Step 4: Simplify right side
    6,201.86x = 33,860,119.48
  5. Step 5: Solve for x
    x = 33,860,119.48/6,201.86
  6. Step 6: Final answer
    x = 5,459.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.