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Finding the Fourth Proportional to 5,584.78, 7,706.42 and 3,346.60

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Solution

The fourth proportional to 5,584.78, 7,706.42 and 3,346.60 is: 4,617.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,584.78 : 7,706.42 = 3,346.60 : x
  2. Step 2: Convert to fraction form
    5,584.78/7,706.42 = 3,346.60/x
  3. Step 3: Cross multiply
    5,584.78x = 7,706.42 × 3,346.60
  4. Step 4: Simplify right side
    5,584.78x = 25,790,269.17
  5. Step 5: Solve for x
    x = 25,790,269.17/5,584.78
  6. Step 6: Final answer
    x = 4,617.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.