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Finding the Fourth Proportional to 36,873.41, 55,310.01 and 9,171.41

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Solution

The fourth proportional to 36,873.41, 55,310.01 and 9,171.41 is: 13,757.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,873.41 : 55,310.01 = 9,171.41 : x
  2. Step 2: Convert to fraction form
    36,873.41/55,310.01 = 9,171.41/x
  3. Step 3: Cross multiply
    36,873.41x = 55,310.01 × 9,171.41
  4. Step 4: Simplify right side
    36,873.41x = 507,270,778.81
  5. Step 5: Solve for x
    x = 507,270,778.81/36,873.41
  6. Step 6: Final answer
    x = 13,757.09

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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.