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Finding the Fourth Proportional to 1,996.60, 2,992.59 and 1,765.96

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Solution

The fourth proportional to 1,996.60, 2,992.59 and 1,765.96 is: 2,646.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996.60 : 2,992.59 = 1,765.96 : x
  2. Step 2: Convert to fraction form
    1,996.60/2,992.59 = 1,765.96/x
  3. Step 3: Cross multiply
    1,996.60x = 2,992.59 × 1,765.96
  4. Step 4: Simplify right side
    1,996.60x = 5,284,794.24
  5. Step 5: Solve for x
    x = 5,284,794.24/1,996.60
  6. Step 6: Final answer
    x = 2,646.90

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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.