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Finding the Fourth Proportional to 3,808.53, 5,712.81 and 2,344.62

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Solution

The fourth proportional to 3,808.53, 5,712.81 and 2,344.62 is: 3,516.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,808.53 : 5,712.81 = 2,344.62 : x
  2. Step 2: Convert to fraction form
    3,808.53/5,712.81 = 2,344.62/x
  3. Step 3: Cross multiply
    3,808.53x = 5,712.81 × 2,344.62
  4. Step 4: Simplify right side
    3,808.53x = 13,394,368.58
  5. Step 5: Solve for x
    x = 13,394,368.58/3,808.53
  6. Step 6: Final answer
    x = 3,516.94

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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.