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Finding the Fourth Proportional to 28,906.56, 43,324.26 and 16,437

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Solution

The fourth proportional to 28,906.56, 43,324.26 and 16,437 is: 24,635.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,906.56 : 43,324.26 = 16,437 : x
  2. Step 2: Convert to fraction form
    28,906.56/43,324.26 = 16,437/x
  3. Step 3: Cross multiply
    28,906.56x = 43,324.26 × 16,437
  4. Step 4: Simplify right side
    28,906.56x = 712,120,861.62
  5. Step 5: Solve for x
    x = 712,120,861.62/28,906.56
  6. Step 6: Final answer
    x = 24,635.27

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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.