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Finding the Fourth Proportional to 24,562.80, 36,819.90 and 12,072.60

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Solution

The fourth proportional to 24,562.80, 36,819.90 and 12,072.60 is: 18,096.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,562.80 : 36,819.90 = 12,072.60 : x
  2. Step 2: Convert to fraction form
    24,562.80/36,819.90 = 12,072.60/x
  3. Step 3: Cross multiply
    24,562.80x = 36,819.90 × 12,072.60
  4. Step 4: Simplify right side
    24,562.80x = 444,511,924.74
  5. Step 5: Solve for x
    x = 444,511,924.74/24,562.80
  6. Step 6: Final answer
    x = 18,096.96

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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.