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Finding the Fourth Proportional to 54,906.58, 75,769.05 and 29,755.54

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Solution

The fourth proportional to 54,906.58, 75,769.05 and 29,755.54 is: 41,061.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,906.58 : 75,769.05 = 29,755.54 : x
  2. Step 2: Convert to fraction form
    54,906.58/75,769.05 = 29,755.54/x
  3. Step 3: Cross multiply
    54,906.58x = 75,769.05 × 29,755.54
  4. Step 4: Simplify right side
    54,906.58x = 2,254,548,998.04
  5. Step 5: Solve for x
    x = 2,254,548,998.04/54,906.58
  6. Step 6: Final answer
    x = 41,061.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.