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Finding the Fourth Proportional to 29,108.37, 43,626.05 and 12,448.85

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Solution

The fourth proportional to 29,108.37, 43,626.05 and 12,448.85 is: 18,657.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,108.37 : 43,626.05 = 12,448.85 : x
  2. Step 2: Convert to fraction form
    29,108.37/43,626.05 = 12,448.85/x
  3. Step 3: Cross multiply
    29,108.37x = 43,626.05 × 12,448.85
  4. Step 4: Simplify right side
    29,108.37x = 543,093,872.17
  5. Step 5: Solve for x
    x = 543,093,872.17/29,108.37
  6. Step 6: Final answer
    x = 18,657.65

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.