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Finding the Fourth Proportional to 48,795.75, 73,193.63 and 11,859.75

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Solution

The fourth proportional to 48,795.75, 73,193.63 and 11,859.75 is: 17,789.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,795.75 : 73,193.63 = 11,859.75 : x
  2. Step 2: Convert to fraction form
    48,795.75/73,193.63 = 11,859.75/x
  3. Step 3: Cross multiply
    48,795.75x = 73,193.63 × 11,859.75
  4. Step 4: Simplify right side
    48,795.75x = 868,058,094.09
  5. Step 5: Solve for x
    x = 868,058,094.09/48,795.75
  6. Step 6: Final answer
    x = 17,789.63

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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.