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Finding the Fourth Proportional to 7,413.98, 10,230.93 and 4,227.39

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Solution

The fourth proportional to 7,413.98, 10,230.93 and 4,227.39 is: 5,833.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,413.98 : 10,230.93 = 4,227.39 : x
  2. Step 2: Convert to fraction form
    7,413.98/10,230.93 = 4,227.39/x
  3. Step 3: Cross multiply
    7,413.98x = 10,230.93 × 4,227.39
  4. Step 4: Simplify right side
    7,413.98x = 43,250,131.17
  5. Step 5: Solve for x
    x = 43,250,131.17/7,413.98
  6. Step 6: Final answer
    x = 5,833.60

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1.5x scale

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.