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Finding the Fourth Proportional to 5,539.68, 8,316 and 4,626

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Solution

The fourth proportional to 5,539.68, 8,316 and 4,626 is: 6,944.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,539.68 : 8,316 = 4,626 : x
  2. Step 2: Convert to fraction form
    5,539.68/8,316 = 4,626/x
  3. Step 3: Cross multiply
    5,539.68x = 8,316 × 4,626
  4. Step 4: Simplify right side
    5,539.68x = 38,469,816
  5. Step 5: Solve for x
    x = 38,469,816/5,539.68
  6. Step 6: Final answer
    x = 6,944.41

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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.