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Finding the Fourth Proportional to 7,003.56, 10,505.11 and 2,843.47

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Solution

The fourth proportional to 7,003.56, 10,505.11 and 2,843.47 is: 4,265.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,003.56 : 10,505.11 = 2,843.47 : x
  2. Step 2: Convert to fraction form
    7,003.56/10,505.11 = 2,843.47/x
  3. Step 3: Cross multiply
    7,003.56x = 10,505.11 × 2,843.47
  4. Step 4: Simplify right side
    7,003.56x = 29,870,912.61
  5. Step 5: Solve for x
    x = 29,870,912.61/7,003.56
  6. Step 6: Final answer
    x = 4,265.10

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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.