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Finding the Fourth Proportional to 5,604.06, 8,406.09 and 1,908.94

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Solution

The fourth proportional to 5,604.06, 8,406.09 and 1,908.94 is: 2,863.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,604.06 : 8,406.09 = 1,908.94 : x
  2. Step 2: Convert to fraction form
    5,604.06/8,406.09 = 1,908.94/x
  3. Step 3: Cross multiply
    5,604.06x = 8,406.09 × 1,908.94
  4. Step 4: Simplify right side
    5,604.06x = 16,046,711.90
  5. Step 5: Solve for x
    x = 16,046,711.90/5,604.06
  6. Step 6: Final answer
    x = 2,863.41

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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.