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Finding the Fourth Proportional to 54,144.92, 74,716.92 and 29,944.48

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Solution

The fourth proportional to 54,144.92, 74,716.92 and 29,944.48 is: 41,321.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,144.92 : 74,716.92 = 29,944.48 : x
  2. Step 2: Convert to fraction form
    54,144.92/74,716.92 = 29,944.48/x
  3. Step 3: Cross multiply
    54,144.92x = 74,716.92 × 29,944.48
  4. Step 4: Simplify right side
    54,144.92x = 2,237,359,316.60
  5. Step 5: Solve for x
    x = 2,237,359,316.60/54,144.92
  6. Step 6: Final answer
    x = 41,321.68

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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.