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Finding the Fourth Proportional to 37,190.56, 51,322.98 and 20,423.56

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Solution

The fourth proportional to 37,190.56, 51,322.98 and 20,423.56 is: 28,184.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,190.56 : 51,322.98 = 20,423.56 : x
  2. Step 2: Convert to fraction form
    37,190.56/51,322.98 = 20,423.56/x
  3. Step 3: Cross multiply
    37,190.56x = 51,322.98 × 20,423.56
  4. Step 4: Simplify right side
    37,190.56x = 1,048,197,961.41
  5. Step 5: Solve for x
    x = 1,048,197,961.41/37,190.56
  6. Step 6: Final answer
    x = 28,184.52

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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.