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Finding the Fourth Proportional to 3,400.96, 5,098.36 and 1,644.88

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Solution

The fourth proportional to 3,400.96, 5,098.36 and 1,644.88 is: 2,465.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,400.96 : 5,098.36 = 1,644.88 : x
  2. Step 2: Convert to fraction form
    3,400.96/5,098.36 = 1,644.88/x
  3. Step 3: Cross multiply
    3,400.96x = 5,098.36 × 1,644.88
  4. Step 4: Simplify right side
    3,400.96x = 8,386,190.40
  5. Step 5: Solve for x
    x = 8,386,190.40/3,400.96
  6. Step 6: Final answer
    x = 2,465.83

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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.