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Finding the Fourth Proportional to 36,049.50, 54,074.25 and 11,425.50

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Solution

The fourth proportional to 36,049.50, 54,074.25 and 11,425.50 is: 17,138.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,049.50 : 54,074.25 = 11,425.50 : x
  2. Step 2: Convert to fraction form
    36,049.50/54,074.25 = 11,425.50/x
  3. Step 3: Cross multiply
    36,049.50x = 54,074.25 × 11,425.50
  4. Step 4: Simplify right side
    36,049.50x = 617,825,343.38
  5. Step 5: Solve for x
    x = 617,825,343.38/36,049.50
  6. Step 6: Final answer
    x = 17,138.25

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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.