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Finding the Fourth Proportional to 1,995.76, 2,993.56 and 697.52

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Solution

The fourth proportional to 1,995.76, 2,993.56 and 697.52 is: 1,046.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,995.76 : 2,993.56 = 697.52 : x
  2. Step 2: Convert to fraction form
    1,995.76/2,993.56 = 697.52/x
  3. Step 3: Cross multiply
    1,995.76x = 2,993.56 × 697.52
  4. Step 4: Simplify right side
    1,995.76x = 2,088,067.97
  5. Step 5: Solve for x
    x = 2,088,067.97/1,995.76
  6. Step 6: Final answer
    x = 1,046.25

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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.