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Finding the Fourth Proportional to 33,672.50, 46,469.49 and 18,768.50

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Solution

The fourth proportional to 33,672.50, 46,469.49 and 18,768.50 is: 25,901.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,672.50 : 46,469.49 = 18,768.50 : x
  2. Step 2: Convert to fraction form
    33,672.50/46,469.49 = 18,768.50/x
  3. Step 3: Cross multiply
    33,672.50x = 46,469.49 × 18,768.50
  4. Step 4: Simplify right side
    33,672.50x = 872,162,623.07
  5. Step 5: Solve for x
    x = 872,162,623.07/33,672.50
  6. Step 6: Final answer
    x = 25,901.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.