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Finding the Fourth Proportional to 5,559.71, 8,349.10 and 4,936.41

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Solution

The fourth proportional to 5,559.71, 8,349.10 and 4,936.41 is: 7,413.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,559.71 : 8,349.10 = 4,936.41 : x
  2. Step 2: Convert to fraction form
    5,559.71/8,349.10 = 4,936.41/x
  3. Step 3: Cross multiply
    5,559.71x = 8,349.10 × 4,936.41
  4. Step 4: Simplify right side
    5,559.71x = 41,214,568.39
  5. Step 5: Solve for x
    x = 41,214,568.39/5,559.71
  6. Step 6: Final answer
    x = 7,413.09

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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.