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Finding the Fourth Proportional to 33,897.20, 50,845.80 and 19,851.80

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Solution

The fourth proportional to 33,897.20, 50,845.80 and 19,851.80 is: 29,777.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,897.20 : 50,845.80 = 19,851.80 : x
  2. Step 2: Convert to fraction form
    33,897.20/50,845.80 = 19,851.80/x
  3. Step 3: Cross multiply
    33,897.20x = 50,845.80 × 19,851.80
  4. Step 4: Simplify right side
    33,897.20x = 1,009,380,652.44
  5. Step 5: Solve for x
    x = 1,009,380,652.44/33,897.20
  6. Step 6: Final answer
    x = 29,777.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.