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Finding the Fourth Proportional to 3,994.10, 5,993.37 and 1,655.83

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Solution

The fourth proportional to 3,994.10, 5,993.37 and 1,655.83 is: 2,484.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,994.10 : 5,993.37 = 1,655.83 : x
  2. Step 2: Convert to fraction form
    3,994.10/5,993.37 = 1,655.83/x
  3. Step 3: Cross multiply
    3,994.10x = 5,993.37 × 1,655.83
  4. Step 4: Simplify right side
    3,994.10x = 9,924,001.85
  5. Step 5: Solve for x
    x = 9,924,001.85/3,994.10
  6. Step 6: Final answer
    x = 2,484.67

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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.