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Finding the Fourth Proportional to 5,777.87, 8,664.98 and 2,858.22

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Solution

The fourth proportional to 5,777.87, 8,664.98 and 2,858.22 is: 4,286.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,777.87 : 8,664.98 = 2,858.22 : x
  2. Step 2: Convert to fraction form
    5,777.87/8,664.98 = 2,858.22/x
  3. Step 3: Cross multiply
    5,777.87x = 8,664.98 × 2,858.22
  4. Step 4: Simplify right side
    5,777.87x = 24,766,404.84
  5. Step 5: Solve for x
    x = 24,766,404.84/5,777.87
  6. Step 6: Final answer
    x = 4,286.43

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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.