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Finding the Fourth Proportional to 3,998.58, 5,983.26 and 2,432.88

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Solution

The fourth proportional to 3,998.58, 5,983.26 and 2,432.88 is: 3,640.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,998.58 : 5,983.26 = 2,432.88 : x
  2. Step 2: Convert to fraction form
    3,998.58/5,983.26 = 2,432.88/x
  3. Step 3: Cross multiply
    3,998.58x = 5,983.26 × 2,432.88
  4. Step 4: Simplify right side
    3,998.58x = 14,556,553.59
  5. Step 5: Solve for x
    x = 14,556,553.59/3,998.58
  6. Step 6: Final answer
    x = 3,640.43

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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.