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Finding the Fourth Proportional to 54,993.52, 82,521.49 and 29,692.70

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Solution

The fourth proportional to 54,993.52, 82,521.49 and 29,692.70 is: 44,555.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,993.52 : 82,521.49 = 29,692.70 : x
  2. Step 2: Convert to fraction form
    54,993.52/82,521.49 = 29,692.70/x
  3. Step 3: Cross multiply
    54,993.52x = 82,521.49 × 29,692.70
  4. Step 4: Simplify right side
    54,993.52x = 2,450,285,285.05
  5. Step 5: Solve for x
    x = 2,450,285,285.05/54,993.52
  6. Step 6: Final answer
    x = 44,555.89

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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.