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Finding the Fourth Proportional to 5,662.56, 8,489.96 and 2,883.85

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Solution

The fourth proportional to 5,662.56, 8,489.96 and 2,883.85 is: 4,323.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,662.56 : 8,489.96 = 2,883.85 : x
  2. Step 2: Convert to fraction form
    5,662.56/8,489.96 = 2,883.85/x
  3. Step 3: Cross multiply
    5,662.56x = 8,489.96 × 2,883.85
  4. Step 4: Simplify right side
    5,662.56x = 24,483,763.94
  5. Step 5: Solve for x
    x = 24,483,763.94/5,662.56
  6. Step 6: Final answer
    x = 4,323.80

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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.