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Finding the Fourth Proportional to 5,512.60, 8,259.30 and 3,563.80

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Solution

The fourth proportional to 5,512.60, 8,259.30 and 3,563.80 is: 5,339.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,512.60 : 8,259.30 = 3,563.80 : x
  2. Step 2: Convert to fraction form
    5,512.60/8,259.30 = 3,563.80/x
  3. Step 3: Cross multiply
    5,512.60x = 8,259.30 × 3,563.80
  4. Step 4: Simplify right side
    5,512.60x = 29,434,493.34
  5. Step 5: Solve for x
    x = 29,434,493.34/5,512.60
  6. Step 6: Final answer
    x = 5,339.49

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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.