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Finding the Fourth Proportional to 6,650.82, 9,945.86 and 4,986.27

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Solution

The fourth proportional to 6,650.82, 9,945.86 and 4,986.27 is: 7,456.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,650.82 : 9,945.86 = 4,986.27 : x
  2. Step 2: Convert to fraction form
    6,650.82/9,945.86 = 4,986.27/x
  3. Step 3: Cross multiply
    6,650.82x = 9,945.86 × 4,986.27
  4. Step 4: Simplify right side
    6,650.82x = 49,592,718.41
  5. Step 5: Solve for x
    x = 49,592,718.41/6,650.82
  6. Step 6: Final answer
    x = 7,456.63

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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.