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Finding the Fourth Proportional to 7,255.73, 10,885.11 and 2,873.22

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Solution

The fourth proportional to 7,255.73, 10,885.11 and 2,873.22 is: 4,310.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,255.73 : 10,885.11 = 2,873.22 : x
  2. Step 2: Convert to fraction form
    7,255.73/10,885.11 = 2,873.22/x
  3. Step 3: Cross multiply
    7,255.73x = 10,885.11 × 2,873.22
  4. Step 4: Simplify right side
    7,255.73x = 31,275,315.75
  5. Step 5: Solve for x
    x = 31,275,315.75/7,255.73
  6. Step 6: Final answer
    x = 4,310.43

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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.