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Finding the Fourth Proportional to 3,493.60, 5,229.60 and 3,104.80

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Solution

The fourth proportional to 3,493.60, 5,229.60 and 3,104.80 is: 4,647.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,493.60 : 5,229.60 = 3,104.80 : x
  2. Step 2: Convert to fraction form
    3,493.60/5,229.60 = 3,104.80/x
  3. Step 3: Cross multiply
    3,493.60x = 5,229.60 × 3,104.80
  4. Step 4: Simplify right side
    3,493.60x = 16,236,862.08
  5. Step 5: Solve for x
    x = 16,236,862.08/3,493.60
  6. Step 6: Final answer
    x = 4,647.60

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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.