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Finding the Fourth Proportional to 3,804.62, 5,706.91 and 1,339.16

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Solution

The fourth proportional to 3,804.62, 5,706.91 and 1,339.16 is: 2,008.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,804.62 : 5,706.91 = 1,339.16 : x
  2. Step 2: Convert to fraction form
    3,804.62/5,706.91 = 1,339.16/x
  3. Step 3: Cross multiply
    3,804.62x = 5,706.91 × 1,339.16
  4. Step 4: Simplify right side
    3,804.62x = 7,642,438.73
  5. Step 5: Solve for x
    x = 7,642,438.73/3,804.62
  6. Step 6: Final answer
    x = 2,008.73

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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.