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Finding the Fourth Proportional to 33,751.69, 50,630.03 and 12,975.19

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Solution

The fourth proportional to 33,751.69, 50,630.03 and 12,975.19 is: 19,463.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,751.69 : 50,630.03 = 12,975.19 : x
  2. Step 2: Convert to fraction form
    33,751.69/50,630.03 = 12,975.19/x
  3. Step 3: Cross multiply
    33,751.69x = 50,630.03 × 12,975.19
  4. Step 4: Simplify right side
    33,751.69x = 656,934,116.16
  5. Step 5: Solve for x
    x = 656,934,116.16/33,751.69
  6. Step 6: Final answer
    x = 19,463.74

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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.