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Finding the Fourth Proportional to 1,993.32, 2,995.29 and 1,020.06

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Solution

The fourth proportional to 1,993.32, 2,995.29 and 1,020.06 is: 1,532.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993.32 : 2,995.29 = 1,020.06 : x
  2. Step 2: Convert to fraction form
    1,993.32/2,995.29 = 1,020.06/x
  3. Step 3: Cross multiply
    1,993.32x = 2,995.29 × 1,020.06
  4. Step 4: Simplify right side
    1,993.32x = 3,055,375.52
  5. Step 5: Solve for x
    x = 3,055,375.52/1,993.32
  6. Step 6: Final answer
    x = 1,532.81

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.