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Finding the Fourth Proportional to 6,414.98, 8,850.29 and 3,761.42

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Solution

The fourth proportional to 6,414.98, 8,850.29 and 3,761.42 is: 5,189.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,414.98 : 8,850.29 = 3,761.42 : x
  2. Step 2: Convert to fraction form
    6,414.98/8,850.29 = 3,761.42/x
  3. Step 3: Cross multiply
    6,414.98x = 8,850.29 × 3,761.42
  4. Step 4: Simplify right side
    6,414.98x = 33,289,657.81
  5. Step 5: Solve for x
    x = 33,289,657.81/6,414.98
  6. Step 6: Final answer
    x = 5,189.36

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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.