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Finding the Fourth Proportional to 41,859.31, 62,787.34 and 14,157.31

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Solution

The fourth proportional to 41,859.31, 62,787.34 and 14,157.31 is: 21,235.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,859.31 : 62,787.34 = 14,157.31 : x
  2. Step 2: Convert to fraction form
    41,859.31/62,787.34 = 14,157.31/x
  3. Step 3: Cross multiply
    41,859.31x = 62,787.34 × 14,157.31
  4. Step 4: Simplify right side
    41,859.31x = 888,899,836.46
  5. Step 5: Solve for x
    x = 888,899,836.46/41,859.31
  6. Step 6: Final answer
    x = 21,235.42

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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.