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Finding the Fourth Proportional to 2,452.58, 3,679.17 and 808.68

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Solution

The fourth proportional to 2,452.58, 3,679.17 and 808.68 is: 1,213.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,452.58 : 3,679.17 = 808.68 : x
  2. Step 2: Convert to fraction form
    2,452.58/3,679.17 = 808.68/x
  3. Step 3: Cross multiply
    2,452.58x = 3,679.17 × 808.68
  4. Step 4: Simplify right side
    2,452.58x = 2,975,286.51
  5. Step 5: Solve for x
    x = 2,975,286.51/2,452.58
  6. Step 6: Final answer
    x = 1,213.13

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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.