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Finding the Fourth Proportional to 50,992.40, 76,413.90 and 45,727.40

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Solution

The fourth proportional to 50,992.40, 76,413.90 and 45,727.40 is: 68,524.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,992.40 : 76,413.90 = 45,727.40 : x
  2. Step 2: Convert to fraction form
    50,992.40/76,413.90 = 45,727.40/x
  3. Step 3: Cross multiply
    50,992.40x = 76,413.90 × 45,727.40
  4. Step 4: Simplify right side
    50,992.40x = 3,494,208,970.86
  5. Step 5: Solve for x
    x = 3,494,208,970.86/50,992.40
  6. Step 6: Final answer
    x = 68,524.11

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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.