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Finding the Fourth Proportional to 41,896.88, 62,865.84 and 19,709.36

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Solution

The fourth proportional to 41,896.88, 62,865.84 and 19,709.36 is: 29,573.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,896.88 : 62,865.84 = 19,709.36 : x
  2. Step 2: Convert to fraction form
    41,896.88/62,865.84 = 19,709.36/x
  3. Step 3: Cross multiply
    41,896.88x = 62,865.84 × 19,709.36
  4. Step 4: Simplify right side
    41,896.88x = 1,239,045,472.26
  5. Step 5: Solve for x
    x = 1,239,045,472.26/41,896.88
  6. Step 6: Final answer
    x = 29,573.69

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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.