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Finding the Fourth Proportional to 6,540.66, 9,811.44 and 2,644.92

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Solution

The fourth proportional to 6,540.66, 9,811.44 and 2,644.92 is: 3,967.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,540.66 : 9,811.44 = 2,644.92 : x
  2. Step 2: Convert to fraction form
    6,540.66/9,811.44 = 2,644.92/x
  3. Step 3: Cross multiply
    6,540.66x = 9,811.44 × 2,644.92
  4. Step 4: Simplify right side
    6,540.66x = 25,950,473.88
  5. Step 5: Solve for x
    x = 25,950,473.88/6,540.66
  6. Step 6: Final answer
    x = 3,967.56

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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.