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Finding the Fourth Proportional to 5,500.32, 8,245 and 2,900.76

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Solution

The fourth proportional to 5,500.32, 8,245 and 2,900.76 is: 4,348.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,500.32 : 8,245 = 2,900.76 : x
  2. Step 2: Convert to fraction form
    5,500.32/8,245 = 2,900.76/x
  3. Step 3: Cross multiply
    5,500.32x = 8,245 × 2,900.76
  4. Step 4: Simplify right side
    5,500.32x = 23,916,766.20
  5. Step 5: Solve for x
    x = 23,916,766.20/5,500.32
  6. Step 6: Final answer
    x = 4,348.25

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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.