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Finding the Fourth Proportional to 5,662.18, 8,489.91 and 2,542.18

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Solution

The fourth proportional to 5,662.18, 8,489.91 and 2,542.18 is: 3,811.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,662.18 : 8,489.91 = 2,542.18 : x
  2. Step 2: Convert to fraction form
    5,662.18/8,489.91 = 2,542.18/x
  3. Step 3: Cross multiply
    5,662.18x = 8,489.91 × 2,542.18
  4. Step 4: Simplify right side
    5,662.18x = 21,582,879.40
  5. Step 5: Solve for x
    x = 21,582,879.40/5,662.18
  6. Step 6: Final answer
    x = 3,811.76

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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.