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Finding the Fourth Proportional to 48,275.44, 72,413.26 and 20,573.44

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Solution

The fourth proportional to 48,275.44, 72,413.26 and 20,573.44 is: 30,860.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,275.44 : 72,413.26 = 20,573.44 : x
  2. Step 2: Convert to fraction form
    48,275.44/72,413.26 = 20,573.44/x
  3. Step 3: Cross multiply
    48,275.44x = 72,413.26 × 20,573.44
  4. Step 4: Simplify right side
    48,275.44x = 1,489,789,627.35
  5. Step 5: Solve for x
    x = 1,489,789,627.35/48,275.44
  6. Step 6: Final answer
    x = 30,860.20

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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.