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Finding the Fourth Proportional to 5,906.22, 8,789.61 and 5,709.36

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Solution

The fourth proportional to 5,906.22, 8,789.61 and 5,709.36 is: 8,496.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,906.22 : 8,789.61 = 5,709.36 : x
  2. Step 2: Convert to fraction form
    5,906.22/8,789.61 = 5,709.36/x
  3. Step 3: Cross multiply
    5,906.22x = 8,789.61 × 5,709.36
  4. Step 4: Simplify right side
    5,906.22x = 50,183,047.75
  5. Step 5: Solve for x
    x = 50,183,047.75/5,906.22
  6. Step 6: Final answer
    x = 8,496.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.