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Finding the Fourth Proportional to 8,995.38, 12,413.88 and 5,016.75

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Solution

The fourth proportional to 8,995.38, 12,413.88 and 5,016.75 is: 6,923.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,995.38 : 12,413.88 = 5,016.75 : x
  2. Step 2: Convert to fraction form
    8,995.38/12,413.88 = 5,016.75/x
  3. Step 3: Cross multiply
    8,995.38x = 12,413.88 × 5,016.75
  4. Step 4: Simplify right side
    8,995.38x = 62,277,296.34
  5. Step 5: Solve for x
    x = 62,277,296.34/8,995.38
  6. Step 6: Final answer
    x = 6,923.25

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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.