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Finding the Fourth Proportional to 5,559.96, 8,349.47 and 4,936.66

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Solution

The fourth proportional to 5,559.96, 8,349.47 and 4,936.66 is: 7,413.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,559.96 : 8,349.47 = 4,936.66 : x
  2. Step 2: Convert to fraction form
    5,559.96/8,349.47 = 4,936.66/x
  3. Step 3: Cross multiply
    5,559.96x = 8,349.47 × 4,936.66
  4. Step 4: Simplify right side
    5,559.96x = 41,218,506.91
  5. Step 5: Solve for x
    x = 41,218,506.91/5,559.96
  6. Step 6: Final answer
    x = 7,413.46

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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.