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Finding the Fourth Proportional to 50,787.92, 70,014.31 and 35,633.61

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Solution

The fourth proportional to 50,787.92, 70,014.31 and 35,633.61 is: 49,123.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,787.92 : 70,014.31 = 35,633.61 : x
  2. Step 2: Convert to fraction form
    50,787.92/70,014.31 = 35,633.61/x
  3. Step 3: Cross multiply
    50,787.92x = 70,014.31 × 35,633.61
  4. Step 4: Simplify right side
    50,787.92x = 2,494,862,616.96
  5. Step 5: Solve for x
    x = 2,494,862,616.96/50,787.92
  6. Step 6: Final answer
    x = 49,123.15

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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.