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Finding the Fourth Proportional to 29,285.73, 43,928.49 and 7,099.22

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Solution

The fourth proportional to 29,285.73, 43,928.49 and 7,099.22 is: 10,648.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,285.73 : 43,928.49 = 7,099.22 : x
  2. Step 2: Convert to fraction form
    29,285.73/43,928.49 = 7,099.22/x
  3. Step 3: Cross multiply
    29,285.73x = 43,928.49 × 7,099.22
  4. Step 4: Simplify right side
    29,285.73x = 311,858,014.78
  5. Step 5: Solve for x
    x = 311,858,014.78/29,285.73
  6. Step 6: Final answer
    x = 10,648.80

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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.