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Finding the Fourth Proportional to 38,334.38, 52,896.83 and 21,334.37

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Solution

The fourth proportional to 38,334.38, 52,896.83 and 21,334.37 is: 29,438.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,334.38 : 52,896.83 = 21,334.37 : x
  2. Step 2: Convert to fraction form
    38,334.38/52,896.83 = 21,334.37/x
  3. Step 3: Cross multiply
    38,334.38x = 52,896.83 × 21,334.37
  4. Step 4: Simplify right side
    38,334.38x = 1,128,520,171.89
  5. Step 5: Solve for x
    x = 1,128,520,171.89/38,334.38
  6. Step 6: Final answer
    x = 29,438.86

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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.