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Finding the Fourth Proportional to 1,995.79, 2,993.70 and 697.26

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Solution

The fourth proportional to 1,995.79, 2,993.70 and 697.26 is: 1,045.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,995.79 : 2,993.70 = 697.26 : x
  2. Step 2: Convert to fraction form
    1,995.79/2,993.70 = 697.26/x
  3. Step 3: Cross multiply
    1,995.79x = 2,993.70 × 697.26
  4. Step 4: Simplify right side
    1,995.79x = 2,087,387.26
  5. Step 5: Solve for x
    x = 2,087,387.26/1,995.79
  6. Step 6: Final answer
    x = 1,045.90

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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.