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Finding the Fourth Proportional to 29,285.87, 43,928.42 and 7,099.44

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Solution

The fourth proportional to 29,285.87, 43,928.42 and 7,099.44 is: 10,649.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,285.87 : 43,928.42 = 7,099.44 : x
  2. Step 2: Convert to fraction form
    29,285.87/43,928.42 = 7,099.44/x
  3. Step 3: Cross multiply
    29,285.87x = 43,928.42 × 7,099.44
  4. Step 4: Simplify right side
    29,285.87x = 311,867,146.59
  5. Step 5: Solve for x
    x = 311,867,146.59/29,285.87
  6. Step 6: Final answer
    x = 10,649.07

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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.