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Finding the Fourth Proportional to 10,667.64, 16,012.73 and 5,991.64

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Solution

The fourth proportional to 10,667.64, 16,012.73 and 5,991.64 is: 8,993.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,667.64 : 16,012.73 = 5,991.64 : x
  2. Step 2: Convert to fraction form
    10,667.64/16,012.73 = 5,991.64/x
  3. Step 3: Cross multiply
    10,667.64x = 16,012.73 × 5,991.64
  4. Step 4: Simplify right side
    10,667.64x = 95,942,513.58
  5. Step 5: Solve for x
    x = 95,942,513.58/10,667.64
  6. Step 6: Final answer
    x = 8,993.79

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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.