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Finding the Fourth Proportional to 2,452.26, 3,677.60 and 808.43

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Solution

The fourth proportional to 2,452.26, 3,677.60 and 808.43 is: 1,212.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,452.26 : 3,677.60 = 808.43 : x
  2. Step 2: Convert to fraction form
    2,452.26/3,677.60 = 808.43/x
  3. Step 3: Cross multiply
    2,452.26x = 3,677.60 × 808.43
  4. Step 4: Simplify right side
    2,452.26x = 2,973,082.17
  5. Step 5: Solve for x
    x = 2,973,082.17/2,452.26
  6. Step 6: Final answer
    x = 1,212.38

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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.