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Finding the Fourth Proportional to 33,745.64, 50,623.08 and 12,684.82

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Solution

The fourth proportional to 33,745.64, 50,623.08 and 12,684.82 is: 19,028.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,745.64 : 50,623.08 = 12,684.82 : x
  2. Step 2: Convert to fraction form
    33,745.64/50,623.08 = 12,684.82/x
  3. Step 3: Cross multiply
    33,745.64x = 50,623.08 × 12,684.82
  4. Step 4: Simplify right side
    33,745.64x = 642,144,657.65
  5. Step 5: Solve for x
    x = 642,144,657.65/33,745.64
  6. Step 6: Final answer
    x = 19,028.97

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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.