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Finding the Fourth Proportional to 36,873.56, 55,310.55 and 9,171.56

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Solution

The fourth proportional to 36,873.56, 55,310.55 and 9,171.56 is: 13,757.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,873.56 : 55,310.55 = 9,171.56 : x
  2. Step 2: Convert to fraction form
    36,873.56/55,310.55 = 9,171.56/x
  3. Step 3: Cross multiply
    36,873.56x = 55,310.55 × 9,171.56
  4. Step 4: Simplify right side
    36,873.56x = 507,284,131.84
  5. Step 5: Solve for x
    x = 507,284,131.84/36,873.56
  6. Step 6: Final answer
    x = 13,757.39

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1.5x scale

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.