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Finding the Fourth Proportional to 6,409.11, 8,844.90 and 3,757.37

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Solution

The fourth proportional to 6,409.11, 8,844.90 and 3,757.37 is: 5,185.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,409.11 : 8,844.90 = 3,757.37 : x
  2. Step 2: Convert to fraction form
    6,409.11/8,844.90 = 3,757.37/x
  3. Step 3: Cross multiply
    6,409.11x = 8,844.90 × 3,757.37
  4. Step 4: Simplify right side
    6,409.11x = 33,233,517.69
  5. Step 5: Solve for x
    x = 33,233,517.69/6,409.11
  6. Step 6: Final answer
    x = 5,185.36

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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.