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Finding the Fourth Proportional to 1,994.73, 2,992.14 and 696.24

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Solution

The fourth proportional to 1,994.73, 2,992.14 and 696.24 is: 1,044.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,994.73 : 2,992.14 = 696.24 : x
  2. Step 2: Convert to fraction form
    1,994.73/2,992.14 = 696.24/x
  3. Step 3: Cross multiply
    1,994.73x = 2,992.14 × 696.24
  4. Step 4: Simplify right side
    1,994.73x = 2,083,247.55
  5. Step 5: Solve for x
    x = 2,083,247.55/1,994.73
  6. Step 6: Final answer
    x = 1,044.38

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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.