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Finding the Fourth Proportional to 36,515.61, 54,629.34 and 27,656.54

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Solution

The fourth proportional to 36,515.61, 54,629.34 and 27,656.54 is: 41,375.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,515.61 : 54,629.34 = 27,656.54 : x
  2. Step 2: Convert to fraction form
    36,515.61/54,629.34 = 27,656.54/x
  3. Step 3: Cross multiply
    36,515.61x = 54,629.34 × 27,656.54
  4. Step 4: Simplify right side
    36,515.61x = 1,510,858,354.88
  5. Step 5: Solve for x
    x = 1,510,858,354.88/36,515.61
  6. Step 6: Final answer
    x = 41,375.68

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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.