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Finding the Fourth Proportional to 37,190.44, 51,323.70 and 20,423.80

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Solution

The fourth proportional to 37,190.44, 51,323.70 and 20,423.80 is: 28,185.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,190.44 : 51,323.70 = 20,423.80 : x
  2. Step 2: Convert to fraction form
    37,190.44/51,323.70 = 20,423.80/x
  3. Step 3: Cross multiply
    37,190.44x = 51,323.70 × 20,423.80
  4. Step 4: Simplify right side
    37,190.44x = 1,048,224,984.06
  5. Step 5: Solve for x
    x = 1,048,224,984.06/37,190.44
  6. Step 6: Final answer
    x = 28,185.33

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.