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Finding the Fourth Proportional to 57,604.07, 86,413.01 and 54,454.79

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Solution

The fourth proportional to 57,604.07, 86,413.01 and 54,454.79 is: 81,688.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,604.07 : 86,413.01 = 54,454.79 : x
  2. Step 2: Convert to fraction form
    57,604.07/86,413.01 = 54,454.79/x
  3. Step 3: Cross multiply
    57,604.07x = 86,413.01 × 54,454.79
  4. Step 4: Simplify right side
    57,604.07x = 4,705,601,608.48
  5. Step 5: Solve for x
    x = 4,705,601,608.48/57,604.07
  6. Step 6: Final answer
    x = 81,688.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.