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Finding the Fourth Proportional to 33,769.65, 50,654.50 and 8,809.67

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Solution

The fourth proportional to 33,769.65, 50,654.50 and 8,809.67 is: 13,214.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,769.65 : 50,654.50 = 8,809.67 : x
  2. Step 2: Convert to fraction form
    33,769.65/50,654.50 = 8,809.67/x
  3. Step 3: Cross multiply
    33,769.65x = 50,654.50 × 8,809.67
  4. Step 4: Simplify right side
    33,769.65x = 446,249,131.69
  5. Step 5: Solve for x
    x = 446,249,131.69/33,769.65
  6. Step 6: Final answer
    x = 13,214.50

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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.