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Finding the Fourth Proportional to 65,630.20, 98,469.60 and 63,200.20

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Solution

The fourth proportional to 65,630.20, 98,469.60 and 63,200.20 is: 94,823.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,630.20 : 98,469.60 = 63,200.20 : x
  2. Step 2: Convert to fraction form
    65,630.20/98,469.60 = 63,200.20/x
  3. Step 3: Cross multiply
    65,630.20x = 98,469.60 × 63,200.20
  4. Step 4: Simplify right side
    65,630.20x = 6,223,298,413.92
  5. Step 5: Solve for x
    x = 6,223,298,413.92/65,630.20
  6. Step 6: Final answer
    x = 94,823.70

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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.