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Finding the Fourth Proportional to 7,413.70, 10,230.78 and 4,056.52

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Solution

The fourth proportional to 7,413.70, 10,230.78 and 4,056.52 is: 5,597.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,413.70 : 10,230.78 = 4,056.52 : x
  2. Step 2: Convert to fraction form
    7,413.70/10,230.78 = 4,056.52/x
  3. Step 3: Cross multiply
    7,413.70x = 10,230.78 × 4,056.52
  4. Step 4: Simplify right side
    7,413.70x = 41,501,363.69
  5. Step 5: Solve for x
    x = 41,501,363.69/7,413.70
  6. Step 6: Final answer
    x = 5,597.93

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.