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Finding the Fourth Proportional to 12,413.96, 17,130.32 and 7,034.84

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Solution

The fourth proportional to 12,413.96, 17,130.32 and 7,034.84 is: 9,707.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,413.96 : 17,130.32 = 7,034.84 : x
  2. Step 2: Convert to fraction form
    12,413.96/17,130.32 = 7,034.84/x
  3. Step 3: Cross multiply
    12,413.96x = 17,130.32 × 7,034.84
  4. Step 4: Simplify right side
    12,413.96x = 120,509,060.35
  5. Step 5: Solve for x
    x = 120,509,060.35/12,413.96
  6. Step 6: Final answer
    x = 9,707.54

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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.