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Finding the Fourth Proportional to 34,035.78, 50,944.16 and 18,201.20

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Solution

The fourth proportional to 34,035.78, 50,944.16 and 18,201.20 is: 27,243.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,035.78 : 50,944.16 = 18,201.20 : x
  2. Step 2: Convert to fraction form
    34,035.78/50,944.16 = 18,201.20/x
  3. Step 3: Cross multiply
    34,035.78x = 50,944.16 × 18,201.20
  4. Step 4: Simplify right side
    34,035.78x = 927,244,499.27
  5. Step 5: Solve for x
    x = 927,244,499.27/34,035.78
  6. Step 6: Final answer
    x = 27,243.23

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1.5x scale

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.