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Finding the Fourth Proportional to 33,769, 50,525 and 20,392.76

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Solution

The fourth proportional to 33,769, 50,525 and 20,392.76 is: 30,511.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,769 : 50,525 = 20,392.76 : x
  2. Step 2: Convert to fraction form
    33,769/50,525 = 20,392.76/x
  3. Step 3: Cross multiply
    33,769x = 50,525 × 20,392.76
  4. Step 4: Simplify right side
    33,769x = 1,030,344,199.00
  5. Step 5: Solve for x
    x = 1,030,344,199.00/33,769
  6. Step 6: Final answer
    x = 30,511.54

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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.