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Finding the Fourth Proportional to 33,892.56, 50,838.30 and 13,897.80

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Solution

The fourth proportional to 33,892.56, 50,838.30 and 13,897.80 is: 20,846.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,892.56 : 50,838.30 = 13,897.80 : x
  2. Step 2: Convert to fraction form
    33,892.56/50,838.30 = 13,897.80/x
  3. Step 3: Cross multiply
    33,892.56x = 50,838.30 × 13,897.80
  4. Step 4: Simplify right side
    33,892.56x = 706,540,525.74
  5. Step 5: Solve for x
    x = 706,540,525.74/33,892.56
  6. Step 6: Final answer
    x = 20,846.48

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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.