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Finding the Fourth Proportional to 48,622.43, 72,787.84 and 34,586.75

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Solution

The fourth proportional to 48,622.43, 72,787.84 and 34,586.75 is: 51,776.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,622.43 : 72,787.84 = 34,586.75 : x
  2. Step 2: Convert to fraction form
    48,622.43/72,787.84 = 34,586.75/x
  3. Step 3: Cross multiply
    48,622.43x = 72,787.84 × 34,586.75
  4. Step 4: Simplify right side
    48,622.43x = 2,517,494,825.12
  5. Step 5: Solve for x
    x = 2,517,494,825.12/48,622.43
  6. Step 6: Final answer
    x = 51,776.41

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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.