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Finding the Fourth Proportional to 6,636.54, 9,956.43 and 2,019.54

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Solution

The fourth proportional to 6,636.54, 9,956.43 and 2,019.54 is: 3,029.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,636.54 : 9,956.43 = 2,019.54 : x
  2. Step 2: Convert to fraction form
    6,636.54/9,956.43 = 2,019.54/x
  3. Step 3: Cross multiply
    6,636.54x = 9,956.43 × 2,019.54
  4. Step 4: Simplify right side
    6,636.54x = 20,107,408.64
  5. Step 5: Solve for x
    x = 20,107,408.64/6,636.54
  6. Step 6: Final answer
    x = 3,029.80

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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.