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Finding the Fourth Proportional to 5,757.92, 8,636.72 and 4,027.68

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Solution

The fourth proportional to 5,757.92, 8,636.72 and 4,027.68 is: 6,041.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,757.92 : 8,636.72 = 4,027.68 : x
  2. Step 2: Convert to fraction form
    5,757.92/8,636.72 = 4,027.68/x
  3. Step 3: Cross multiply
    5,757.92x = 8,636.72 × 4,027.68
  4. Step 4: Simplify right side
    5,757.92x = 34,785,944.41
  5. Step 5: Solve for x
    x = 34,785,944.41/5,757.92
  6. Step 6: Final answer
    x = 6,041.41

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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.