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Finding the Fourth Proportional to 3,625.56, 5,443.20 and 2,167.56

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Solution

The fourth proportional to 3,625.56, 5,443.20 and 2,167.56 is: 3,254.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,625.56 : 5,443.20 = 2,167.56 : x
  2. Step 2: Convert to fraction form
    3,625.56/5,443.20 = 2,167.56/x
  3. Step 3: Cross multiply
    3,625.56x = 5,443.20 × 2,167.56
  4. Step 4: Simplify right side
    3,625.56x = 11,798,462.59
  5. Step 5: Solve for x
    x = 11,798,462.59/3,625.56
  6. Step 6: Final answer
    x = 3,254.25

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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.