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Finding the Fourth Proportional to 33,115.92, 49,695.77 and 15,590.76

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Solution

The fourth proportional to 33,115.92, 49,695.77 and 15,590.76 is: 23,396.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,115.92 : 49,695.77 = 15,590.76 : x
  2. Step 2: Convert to fraction form
    33,115.92/49,695.77 = 15,590.76/x
  3. Step 3: Cross multiply
    33,115.92x = 49,695.77 × 15,590.76
  4. Step 4: Simplify right side
    33,115.92x = 774,794,745.13
  5. Step 5: Solve for x
    x = 774,794,745.13/33,115.92
  6. Step 6: Final answer
    x = 23,396.44

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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.