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Finding the Fourth Proportional to 5,604.32, 8,406.44 and 1,906.92

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Solution

The fourth proportional to 5,604.32, 8,406.44 and 1,906.92 is: 2,860.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,604.32 : 8,406.44 = 1,906.92 : x
  2. Step 2: Convert to fraction form
    5,604.32/8,406.44 = 1,906.92/x
  3. Step 3: Cross multiply
    5,604.32x = 8,406.44 × 1,906.92
  4. Step 4: Simplify right side
    5,604.32x = 16,030,408.56
  5. Step 5: Solve for x
    x = 16,030,408.56/5,604.32
  6. Step 6: Final answer
    x = 2,860.37

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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.