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Finding the Fourth Proportional to 2,922.18, 4,383.24 and 730.92

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Solution

The fourth proportional to 2,922.18, 4,383.24 and 730.92 is: 1,096.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,922.18 : 4,383.24 = 730.92 : x
  2. Step 2: Convert to fraction form
    2,922.18/4,383.24 = 730.92/x
  3. Step 3: Cross multiply
    2,922.18x = 4,383.24 × 730.92
  4. Step 4: Simplify right side
    2,922.18x = 3,203,797.78
  5. Step 5: Solve for x
    x = 3,203,797.78/2,922.18
  6. Step 6: Final answer
    x = 1,096.37

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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.