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Finding the Fourth Proportional to 38,358.36, 57,474.36 and 33,372

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Solution

The fourth proportional to 38,358.36, 57,474.36 and 33,372 is: 50,003.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,358.36 : 57,474.36 = 33,372 : x
  2. Step 2: Convert to fraction form
    38,358.36/57,474.36 = 33,372/x
  3. Step 3: Cross multiply
    38,358.36x = 57,474.36 × 33,372
  4. Step 4: Simplify right side
    38,358.36x = 1,918,034,341.92
  5. Step 5: Solve for x
    x = 1,918,034,341.92/38,358.36
  6. Step 6: Final answer
    x = 50,003.03

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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.