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Finding the Fourth Proportional to 16,879.50, 25,301.97 and 7,024.50

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Solution

The fourth proportional to 16,879.50, 25,301.97 and 7,024.50 is: 10,529.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,879.50 : 25,301.97 = 7,024.50 : x
  2. Step 2: Convert to fraction form
    16,879.50/25,301.97 = 7,024.50/x
  3. Step 3: Cross multiply
    16,879.50x = 25,301.97 × 7,024.50
  4. Step 4: Simplify right side
    16,879.50x = 177,733,688.27
  5. Step 5: Solve for x
    x = 177,733,688.27/16,879.50
  6. Step 6: Final answer
    x = 10,529.56

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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.