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Finding the Fourth Proportional to 4,400.60, 6,600.90 and 3,234.20

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Solution

The fourth proportional to 4,400.60, 6,600.90 and 3,234.20 is: 4,851.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,400.60 : 6,600.90 = 3,234.20 : x
  2. Step 2: Convert to fraction form
    4,400.60/6,600.90 = 3,234.20/x
  3. Step 3: Cross multiply
    4,400.60x = 6,600.90 × 3,234.20
  4. Step 4: Simplify right side
    4,400.60x = 21,348,630.78
  5. Step 5: Solve for x
    x = 21,348,630.78/4,400.60
  6. Step 6: Final answer
    x = 4,851.30

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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.