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Finding the Fourth Proportional to 33,305, 45,941.46 and 20,733.80

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Solution

The fourth proportional to 33,305, 45,941.46 and 20,733.80 is: 28,600.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,305 : 45,941.46 = 20,733.80 : x
  2. Step 2: Convert to fraction form
    33,305/45,941.46 = 20,733.80/x
  3. Step 3: Cross multiply
    33,305x = 45,941.46 × 20,733.80
  4. Step 4: Simplify right side
    33,305x = 952,541,043.35
  5. Step 5: Solve for x
    x = 952,541,043.35/33,305
  6. Step 6: Final answer
    x = 28,600.54

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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.