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Finding the Fourth Proportional to 29,059.50, 43,589.25 and 7,171.50

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Solution

The fourth proportional to 29,059.50, 43,589.25 and 7,171.50 is: 10,757.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,059.50 : 43,589.25 = 7,171.50 : x
  2. Step 2: Convert to fraction form
    29,059.50/43,589.25 = 7,171.50/x
  3. Step 3: Cross multiply
    29,059.50x = 43,589.25 × 7,171.50
  4. Step 4: Simplify right side
    29,059.50x = 312,600,306.38
  5. Step 5: Solve for x
    x = 312,600,306.38/29,059.50
  6. Step 6: Final answer
    x = 10,757.25

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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.