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Finding the Fourth Proportional to 43,745.62, 65,619.44 and 15,667.60

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Solution

The fourth proportional to 43,745.62, 65,619.44 and 15,667.60 is: 23,501.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,745.62 : 65,619.44 = 15,667.60 : x
  2. Step 2: Convert to fraction form
    43,745.62/65,619.44 = 15,667.60/x
  3. Step 3: Cross multiply
    43,745.62x = 65,619.44 × 15,667.60
  4. Step 4: Simplify right side
    43,745.62x = 1,028,099,138.14
  5. Step 5: Solve for x
    x = 1,028,099,138.14/43,745.62
  6. Step 6: Final answer
    x = 23,501.76

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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.