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Finding the Fourth Proportional to 6,493.79, 8,961.98 and 3,769.26

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Solution

The fourth proportional to 6,493.79, 8,961.98 and 3,769.26 is: 5,201.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,493.79 : 8,961.98 = 3,769.26 : x
  2. Step 2: Convert to fraction form
    6,493.79/8,961.98 = 3,769.26/x
  3. Step 3: Cross multiply
    6,493.79x = 8,961.98 × 3,769.26
  4. Step 4: Simplify right side
    6,493.79x = 33,780,013.89
  5. Step 5: Solve for x
    x = 33,780,013.89/6,493.79
  6. Step 6: Final answer
    x = 5,201.90

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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.