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Finding the Fourth Proportional to 49,174.70, 73,745.64 and 19,584.59

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Solution

The fourth proportional to 49,174.70, 73,745.64 and 19,584.59 is: 29,370.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,174.70 : 73,745.64 = 19,584.59 : x
  2. Step 2: Convert to fraction form
    49,174.70/73,745.64 = 19,584.59/x
  3. Step 3: Cross multiply
    49,174.70x = 73,745.64 × 19,584.59
  4. Step 4: Simplify right side
    49,174.70x = 1,444,277,754.96
  5. Step 5: Solve for x
    x = 1,444,277,754.96/49,174.70
  6. Step 6: Final answer
    x = 29,370.34

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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.