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Finding the Fourth Proportional to 45,485.60, 68,163.60 and 33,546.20

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Solution

The fourth proportional to 45,485.60, 68,163.60 and 33,546.20 is: 50,271.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,485.60 : 68,163.60 = 33,546.20 : x
  2. Step 2: Convert to fraction form
    45,485.60/68,163.60 = 33,546.20/x
  3. Step 3: Cross multiply
    45,485.60x = 68,163.60 × 33,546.20
  4. Step 4: Simplify right side
    45,485.60x = 2,286,629,758.32
  5. Step 5: Solve for x
    x = 2,286,629,758.32/45,485.60
  6. Step 6: Final answer
    x = 50,271.51

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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.