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Finding the Fourth Proportional to 48,792.97, 73,119.19 and 28,755.19

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Solution

The fourth proportional to 48,792.97, 73,119.19 and 28,755.19 is: 43,091.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,792.97 : 73,119.19 = 28,755.19 : x
  2. Step 2: Convert to fraction form
    48,792.97/73,119.19 = 28,755.19/x
  3. Step 3: Cross multiply
    48,792.97x = 73,119.19 × 28,755.19
  4. Step 4: Simplify right side
    48,792.97x = 2,102,556,201.10
  5. Step 5: Solve for x
    x = 2,102,556,201.10/48,792.97
  6. Step 6: Final answer
    x = 43,091.38

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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.