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Finding the Fourth Proportional to 5,604.56, 8,404.68 and 1,906.16

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Solution

The fourth proportional to 5,604.56, 8,404.68 and 1,906.16 is: 2,858.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,604.56 : 8,404.68 = 1,906.16 : x
  2. Step 2: Convert to fraction form
    5,604.56/8,404.68 = 1,906.16/x
  3. Step 3: Cross multiply
    5,604.56x = 8,404.68 × 1,906.16
  4. Step 4: Simplify right side
    5,604.56x = 16,020,664.83
  5. Step 5: Solve for x
    x = 16,020,664.83/5,604.56
  6. Step 6: Final answer
    x = 2,858.51

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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.