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Finding the Fourth Proportional to 33,991.65, 50,975.34 and 12,926.10

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Solution

The fourth proportional to 33,991.65, 50,975.34 and 12,926.10 is: 19,384.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,991.65 : 50,975.34 = 12,926.10 : x
  2. Step 2: Convert to fraction form
    33,991.65/50,975.34 = 12,926.10/x
  3. Step 3: Cross multiply
    33,991.65x = 50,975.34 × 12,926.10
  4. Step 4: Simplify right side
    33,991.65x = 658,912,342.37
  5. Step 5: Solve for x
    x = 658,912,342.37/33,991.65
  6. Step 6: Final answer
    x = 19,384.54

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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.