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Finding the Fourth Proportional to 48,755.25, 73,132.92 and 11,819.25

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Solution

The fourth proportional to 48,755.25, 73,132.92 and 11,819.25 is: 17,728.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,755.25 : 73,132.92 = 11,819.25 : x
  2. Step 2: Convert to fraction form
    48,755.25/73,132.92 = 11,819.25/x
  3. Step 3: Cross multiply
    48,755.25x = 73,132.92 × 11,819.25
  4. Step 4: Simplify right side
    48,755.25x = 864,376,264.71
  5. Step 5: Solve for x
    x = 864,376,264.71/48,755.25
  6. Step 6: Final answer
    x = 17,728.89

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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.