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Finding the Fourth Proportional to 4,608.63, 6,916.41 and 3,379.23

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Solution

The fourth proportional to 4,608.63, 6,916.41 and 3,379.23 is: 5,071.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,608.63 : 6,916.41 = 3,379.23 : x
  2. Step 2: Convert to fraction form
    4,608.63/6,916.41 = 3,379.23/x
  3. Step 3: Cross multiply
    4,608.63x = 6,916.41 × 3,379.23
  4. Step 4: Simplify right side
    4,608.63x = 23,372,140.16
  5. Step 5: Solve for x
    x = 23,372,140.16/4,608.63
  6. Step 6: Final answer
    x = 5,071.39

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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.