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Finding the Fourth Proportional to 49,481.87, 74,222.96 and 12,041.96

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Solution

The fourth proportional to 49,481.87, 74,222.96 and 12,041.96 is: 18,062.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,481.87 : 74,222.96 = 12,041.96 : x
  2. Step 2: Convert to fraction form
    49,481.87/74,222.96 = 12,041.96/x
  3. Step 3: Cross multiply
    49,481.87x = 74,222.96 × 12,041.96
  4. Step 4: Simplify right side
    49,481.87x = 893,789,484.08
  5. Step 5: Solve for x
    x = 893,789,484.08/49,481.87
  6. Step 6: Final answer
    x = 18,062.97

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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.