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Finding the Fourth Proportional to 56,614.75, 84,922.13 and 25,413.55

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Solution

The fourth proportional to 56,614.75, 84,922.13 and 25,413.55 is: 38,120.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,614.75 : 84,922.13 = 25,413.55 : x
  2. Step 2: Convert to fraction form
    56,614.75/84,922.13 = 25,413.55/x
  3. Step 3: Cross multiply
    56,614.75x = 84,922.13 × 25,413.55
  4. Step 4: Simplify right side
    56,614.75x = 2,158,172,796.86
  5. Step 5: Solve for x
    x = 2,158,172,796.86/56,614.75
  6. Step 6: Final answer
    x = 38,120.33

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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.