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Finding the Fourth Proportional to 33,750.80, 46,575.84 and 18,644.44

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Solution

The fourth proportional to 33,750.80, 46,575.84 and 18,644.44 is: 25,729.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,750.80 : 46,575.84 = 18,644.44 : x
  2. Step 2: Convert to fraction form
    33,750.80/46,575.84 = 18,644.44/x
  3. Step 3: Cross multiply
    33,750.80x = 46,575.84 × 18,644.44
  4. Step 4: Simplify right side
    33,750.80x = 868,380,454.33
  5. Step 5: Solve for x
    x = 868,380,454.33/33,750.80
  6. Step 6: Final answer
    x = 25,729.18

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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.