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Finding the Fourth Proportional to 29,321.37, 43,982.09 and 7,134.75

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Solution

The fourth proportional to 29,321.37, 43,982.09 and 7,134.75 is: 10,702.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,321.37 : 43,982.09 = 7,134.75 : x
  2. Step 2: Convert to fraction form
    29,321.37/43,982.09 = 7,134.75/x
  3. Step 3: Cross multiply
    29,321.37x = 43,982.09 × 7,134.75
  4. Step 4: Simplify right side
    29,321.37x = 313,800,961.04
  5. Step 5: Solve for x
    x = 313,800,961.04/29,321.37
  6. Step 6: Final answer
    x = 10,702.13

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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.