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Finding the Fourth Proportional to 63,621.20, 95,431.80 and 60,413.60

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Solution

The fourth proportional to 63,621.20, 95,431.80 and 60,413.60 is: 90,620.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,621.20 : 95,431.80 = 60,413.60 : x
  2. Step 2: Convert to fraction form
    63,621.20/95,431.80 = 60,413.60/x
  3. Step 3: Cross multiply
    63,621.20x = 95,431.80 × 60,413.60
  4. Step 4: Simplify right side
    63,621.20x = 5,765,378,592.48
  5. Step 5: Solve for x
    x = 5,765,378,592.48/63,621.20
  6. Step 6: Final answer
    x = 90,620.40

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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.