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Finding the Fourth Proportional to 45,193.71, 67,805.16 and 37,874.55

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Solution

The fourth proportional to 45,193.71, 67,805.16 and 37,874.55 is: 56,824.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,193.71 : 67,805.16 = 37,874.55 : x
  2. Step 2: Convert to fraction form
    45,193.71/67,805.16 = 37,874.55/x
  3. Step 3: Cross multiply
    45,193.71x = 67,805.16 × 37,874.55
  4. Step 4: Simplify right side
    45,193.71x = 2,568,089,922.68
  5. Step 5: Solve for x
    x = 2,568,089,922.68/45,193.71
  6. Step 6: Final answer
    x = 56,824.06

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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.