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Finding the Fourth Proportional to 1,994.76, 2,993.36 and 1,070.01

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Solution

The fourth proportional to 1,994.76, 2,993.36 and 1,070.01 is: 1,605.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,994.76 : 2,993.36 = 1,070.01 : x
  2. Step 2: Convert to fraction form
    1,994.76/2,993.36 = 1,070.01/x
  3. Step 3: Cross multiply
    1,994.76x = 2,993.36 × 1,070.01
  4. Step 4: Simplify right side
    1,994.76x = 3,202,919.78
  5. Step 5: Solve for x
    x = 3,202,919.78/1,994.76
  6. Step 6: Final answer
    x = 1,605.67

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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.