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Finding the Fourth Proportional to 1,995.89, 2,993.84 and 697.36

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Solution

The fourth proportional to 1,995.89, 2,993.84 and 697.36 is: 1,046.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,995.89 : 2,993.84 = 697.36 : x
  2. Step 2: Convert to fraction form
    1,995.89/2,993.84 = 697.36/x
  3. Step 3: Cross multiply
    1,995.89x = 2,993.84 × 697.36
  4. Step 4: Simplify right side
    1,995.89x = 2,087,784.26
  5. Step 5: Solve for x
    x = 2,087,784.26/1,995.89
  6. Step 6: Final answer
    x = 1,046.04

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1.5x scale

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.