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Finding the Fourth Proportional to 54,144.81, 81,211.89 and 16,694.76

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Solution

The fourth proportional to 54,144.81, 81,211.89 and 16,694.76 is: 25,040.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,144.81 : 81,211.89 = 16,694.76 : x
  2. Step 2: Convert to fraction form
    54,144.81/81,211.89 = 16,694.76/x
  3. Step 3: Cross multiply
    54,144.81x = 81,211.89 × 16,694.76
  4. Step 4: Simplify right side
    54,144.81x = 1,355,813,012.70
  5. Step 5: Solve for x
    x = 1,355,813,012.70/54,144.81
  6. Step 6: Final answer
    x = 25,040.50

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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.