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Finding the Fourth Proportional to 2,614.70, 3,922.05 and 883.30

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Solution

The fourth proportional to 2,614.70, 3,922.05 and 883.30 is: 1,324.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,614.70 : 3,922.05 = 883.30 : x
  2. Step 2: Convert to fraction form
    2,614.70/3,922.05 = 883.30/x
  3. Step 3: Cross multiply
    2,614.70x = 3,922.05 × 883.30
  4. Step 4: Simplify right side
    2,614.70x = 3,464,346.77
  5. Step 5: Solve for x
    x = 3,464,346.77/2,614.70
  6. Step 6: Final answer
    x = 1,324.95

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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.