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Finding the Fourth Proportional to 54,236.70, 81,318.60 and 24,639.30

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Solution

The fourth proportional to 54,236.70, 81,318.60 and 24,639.30 is: 36,942.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,236.70 : 81,318.60 = 24,639.30 : x
  2. Step 2: Convert to fraction form
    54,236.70/81,318.60 = 24,639.30/x
  3. Step 3: Cross multiply
    54,236.70x = 81,318.60 × 24,639.30
  4. Step 4: Simplify right side
    54,236.70x = 2,003,633,380.98
  5. Step 5: Solve for x
    x = 2,003,633,380.98/54,236.70
  6. Step 6: Final answer
    x = 36,942.39

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1.5x scale

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.