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Finding the Fourth Proportional to 29,624.70, 44,449.20 and 10,913.70

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Solution

The fourth proportional to 29,624.70, 44,449.20 and 10,913.70 is: 16,375.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,624.70 : 44,449.20 = 10,913.70 : x
  2. Step 2: Convert to fraction form
    29,624.70/44,449.20 = 10,913.70/x
  3. Step 3: Cross multiply
    29,624.70x = 44,449.20 × 10,913.70
  4. Step 4: Simplify right side
    29,624.70x = 485,105,234.04
  5. Step 5: Solve for x
    x = 485,105,234.04/29,624.70
  6. Step 6: Final answer
    x = 16,375.03

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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.