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Finding the Fourth Proportional to 6,266.82, 8,649.90 and 3,907.56

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Solution

The fourth proportional to 6,266.82, 8,649.90 and 3,907.56 is: 5,393.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,266.82 : 8,649.90 = 3,907.56 : x
  2. Step 2: Convert to fraction form
    6,266.82/8,649.90 = 3,907.56/x
  3. Step 3: Cross multiply
    6,266.82x = 8,649.90 × 3,907.56
  4. Step 4: Simplify right side
    6,266.82x = 33,800,003.24
  5. Step 5: Solve for x
    x = 33,800,003.24/6,266.82
  6. Step 6: Final answer
    x = 5,393.49

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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.