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Finding the Fourth Proportional to 5,671.59, 8,507.48 and 2,163.22

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Solution

The fourth proportional to 5,671.59, 8,507.48 and 2,163.22 is: 3,244.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,671.59 : 8,507.48 = 2,163.22 : x
  2. Step 2: Convert to fraction form
    5,671.59/8,507.48 = 2,163.22/x
  3. Step 3: Cross multiply
    5,671.59x = 8,507.48 × 2,163.22
  4. Step 4: Simplify right side
    5,671.59x = 18,403,578.82
  5. Step 5: Solve for x
    x = 18,403,578.82/5,671.59
  6. Step 6: Final answer
    x = 3,244.87

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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.