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Finding the Fourth Proportional to 1,994.35, 2,997.02 and 1,070.59

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Solution

The fourth proportional to 1,994.35, 2,997.02 and 1,070.59 is: 1,608.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,994.35 : 2,997.02 = 1,070.59 : x
  2. Step 2: Convert to fraction form
    1,994.35/2,997.02 = 1,070.59/x
  3. Step 3: Cross multiply
    1,994.35x = 2,997.02 × 1,070.59
  4. Step 4: Simplify right side
    1,994.35x = 3,208,574.29
  5. Step 5: Solve for x
    x = 3,208,574.29/1,994.35
  6. Step 6: Final answer
    x = 1,608.83

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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.