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Finding the Fourth Proportional to 7,229.52, 10,836.99 and 5,494.50

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Solution

The fourth proportional to 7,229.52, 10,836.99 and 5,494.50 is: 8,236.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,229.52 : 10,836.99 = 5,494.50 : x
  2. Step 2: Convert to fraction form
    7,229.52/10,836.99 = 5,494.50/x
  3. Step 3: Cross multiply
    7,229.52x = 10,836.99 × 5,494.50
  4. Step 4: Simplify right side
    7,229.52x = 59,543,841.56
  5. Step 5: Solve for x
    x = 59,543,841.56/7,229.52
  6. Step 6: Final answer
    x = 8,236.21

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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.