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Finding the Fourth Proportional to 29,890.44, 44,842.14 and 9,115.56

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Solution

The fourth proportional to 29,890.44, 44,842.14 and 9,115.56 is: 13,675.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,890.44 : 44,842.14 = 9,115.56 : x
  2. Step 2: Convert to fraction form
    29,890.44/44,842.14 = 9,115.56/x
  3. Step 3: Cross multiply
    29,890.44x = 44,842.14 × 9,115.56
  4. Step 4: Simplify right side
    29,890.44x = 408,761,217.70
  5. Step 5: Solve for x
    x = 408,761,217.70/29,890.44
  6. Step 6: Final answer
    x = 13,675.32

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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.