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Finding the Fourth Proportional to 48,879.96, 73,324.06 and 15,604.78

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Solution

The fourth proportional to 48,879.96, 73,324.06 and 15,604.78 is: 23,408.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,879.96 : 73,324.06 = 15,604.78 : x
  2. Step 2: Convert to fraction form
    48,879.96/73,324.06 = 15,604.78/x
  3. Step 3: Cross multiply
    48,879.96x = 73,324.06 × 15,604.78
  4. Step 4: Simplify right side
    48,879.96x = 1,144,205,825.01
  5. Step 5: Solve for x
    x = 1,144,205,825.01/48,879.96
  6. Step 6: Final answer
    x = 23,408.49

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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.