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Finding the Fourth Proportional to 48,858.63, 73,288.05 and 11,922.63

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Solution

The fourth proportional to 48,858.63, 73,288.05 and 11,922.63 is: 17,883.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,858.63 : 73,288.05 = 11,922.63 : x
  2. Step 2: Convert to fraction form
    48,858.63/73,288.05 = 11,922.63/x
  3. Step 3: Cross multiply
    48,858.63x = 73,288.05 × 11,922.63
  4. Step 4: Simplify right side
    48,858.63x = 873,786,243.96
  5. Step 5: Solve for x
    x = 873,786,243.96/48,858.63
  6. Step 6: Final answer
    x = 17,883.97

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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.