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Finding the Fourth Proportional to 5,604.56, 8,406.84 and 1,909.44

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Solution

The fourth proportional to 5,604.56, 8,406.84 and 1,909.44 is: 2,864.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,604.56 : 8,406.84 = 1,909.44 : x
  2. Step 2: Convert to fraction form
    5,604.56/8,406.84 = 1,909.44/x
  3. Step 3: Cross multiply
    5,604.56x = 8,406.84 × 1,909.44
  4. Step 4: Simplify right side
    5,604.56x = 16,052,356.57
  5. Step 5: Solve for x
    x = 16,052,356.57/5,604.56
  6. Step 6: Final answer
    x = 2,864.16

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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.