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Finding the Fourth Proportional to 57,413.36, 79,303.92 and 43,902.56

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Solution

The fourth proportional to 57,413.36, 79,303.92 and 43,902.56 is: 60,641.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,413.36 : 79,303.92 = 43,902.56 : x
  2. Step 2: Convert to fraction form
    57,413.36/79,303.92 = 43,902.56/x
  3. Step 3: Cross multiply
    57,413.36x = 79,303.92 × 43,902.56
  4. Step 4: Simplify right side
    57,413.36x = 3,481,645,106.04
  5. Step 5: Solve for x
    x = 3,481,645,106.04/57,413.36
  6. Step 6: Final answer
    x = 60,641.72

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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.