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Finding the Fourth Proportional to 71,797.88, 98,951.88 and 58,413.44

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Solution

The fourth proportional to 71,797.88, 98,951.88 and 58,413.44 is: 80,505.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,797.88 : 98,951.88 = 58,413.44 : x
  2. Step 2: Convert to fraction form
    71,797.88/98,951.88 = 58,413.44/x
  3. Step 3: Cross multiply
    71,797.88x = 98,951.88 × 58,413.44
  4. Step 4: Simplify right side
    71,797.88x = 5,780,119,705.27
  5. Step 5: Solve for x
    x = 5,780,119,705.27/71,797.88
  6. Step 6: Final answer
    x = 80,505.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.