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Finding the Fourth Proportional to 41,192.92, 61,706.94 and 18,975.88

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Solution

The fourth proportional to 41,192.92, 61,706.94 and 18,975.88 is: 28,425.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,192.92 : 61,706.94 = 18,975.88 : x
  2. Step 2: Convert to fraction form
    41,192.92/61,706.94 = 18,975.88/x
  3. Step 3: Cross multiply
    41,192.92x = 61,706.94 × 18,975.88
  4. Step 4: Simplify right side
    41,192.92x = 1,170,943,488.61
  5. Step 5: Solve for x
    x = 1,170,943,488.61/41,192.92
  6. Step 6: Final answer
    x = 28,425.84

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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.