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Finding the Fourth Proportional to 33,889.75, 46,766.59 and 18,782.67

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Solution

The fourth proportional to 33,889.75, 46,766.59 and 18,782.67 is: 25,919.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,889.75 : 46,766.59 = 18,782.67 : x
  2. Step 2: Convert to fraction form
    33,889.75/46,766.59 = 18,782.67/x
  3. Step 3: Cross multiply
    33,889.75x = 46,766.59 × 18,782.67
  4. Step 4: Simplify right side
    33,889.75x = 878,401,391.54
  5. Step 5: Solve for x
    x = 878,401,391.54/33,889.75
  6. Step 6: Final answer
    x = 25,919.38

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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.