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Finding the Fourth Proportional to 5,811.35, 8,019.84 and 3,574.54

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Solution

The fourth proportional to 5,811.35, 8,019.84 and 3,574.54 is: 4,932.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,811.35 : 8,019.84 = 3,574.54 : x
  2. Step 2: Convert to fraction form
    5,811.35/8,019.84 = 3,574.54/x
  3. Step 3: Cross multiply
    5,811.35x = 8,019.84 × 3,574.54
  4. Step 4: Simplify right side
    5,811.35x = 28,667,238.87
  5. Step 5: Solve for x
    x = 28,667,238.87/5,811.35
  6. Step 6: Final answer
    x = 4,932.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.