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Finding the Fourth Proportional to 3,022.24, 4,533.24 and 830.92

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Solution

The fourth proportional to 3,022.24, 4,533.24 and 830.92 is: 1,246.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,022.24 : 4,533.24 = 830.92 : x
  2. Step 2: Convert to fraction form
    3,022.24/4,533.24 = 830.92/x
  3. Step 3: Cross multiply
    3,022.24x = 4,533.24 × 830.92
  4. Step 4: Simplify right side
    3,022.24x = 3,766,759.78
  5. Step 5: Solve for x
    x = 3,766,759.78/3,022.24
  6. Step 6: Final answer
    x = 1,246.35

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Similar ratio
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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.