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Finding the Fourth Proportional to 5,811.08, 8,016.18 and 4,039.62

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Solution

The fourth proportional to 5,811.08, 8,016.18 and 4,039.62 is: 5,572.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,811.08 : 8,016.18 = 4,039.62 : x
  2. Step 2: Convert to fraction form
    5,811.08/8,016.18 = 4,039.62/x
  3. Step 3: Cross multiply
    5,811.08x = 8,016.18 × 4,039.62
  4. Step 4: Simplify right side
    5,811.08x = 32,382,321.05
  5. Step 5: Solve for x
    x = 32,382,321.05/5,811.08
  6. Step 6: Final answer
    x = 5,572.51

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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.