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Finding the Fourth Proportional to 5,772.72, 8,648.20 and 2,847.60

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Solution

The fourth proportional to 5,772.72, 8,648.20 and 2,847.60 is: 4,266.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,772.72 : 8,648.20 = 2,847.60 : x
  2. Step 2: Convert to fraction form
    5,772.72/8,648.20 = 2,847.60/x
  3. Step 3: Cross multiply
    5,772.72x = 8,648.20 × 2,847.60
  4. Step 4: Simplify right side
    5,772.72x = 24,626,614.32
  5. Step 5: Solve for x
    x = 24,626,614.32/5,772.72
  6. Step 6: Final answer
    x = 4,266.03

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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.