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Finding the Fourth Proportional to 1,996.35, 2,994.27 and 535.62

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Solution

The fourth proportional to 1,996.35, 2,994.27 and 535.62 is: 803.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996.35 : 2,994.27 = 535.62 : x
  2. Step 2: Convert to fraction form
    1,996.35/2,994.27 = 535.62/x
  3. Step 3: Cross multiply
    1,996.35x = 2,994.27 × 535.62
  4. Step 4: Simplify right side
    1,996.35x = 1,603,790.90
  5. Step 5: Solve for x
    x = 1,603,790.90/1,996.35
  6. Step 6: Final answer
    x = 803.36

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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.