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Finding the Fourth Proportional to 33,872.80, 46,744.44 and 18,766.44

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Solution

The fourth proportional to 33,872.80, 46,744.44 and 18,766.44 is: 25,897.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,872.80 : 46,744.44 = 18,766.44 : x
  2. Step 2: Convert to fraction form
    33,872.80/46,744.44 = 18,766.44/x
  3. Step 3: Cross multiply
    33,872.80x = 46,744.44 × 18,766.44
  4. Step 4: Simplify right side
    33,872.80x = 877,226,728.59
  5. Step 5: Solve for x
    x = 877,226,728.59/33,872.80
  6. Step 6: Final answer
    x = 25,897.67

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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.