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Finding the Fourth Proportional to 65,515.80, 98,273.70 and 44,520.60

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Solution

The fourth proportional to 65,515.80, 98,273.70 and 44,520.60 is: 66,780.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,515.80 : 98,273.70 = 44,520.60 : x
  2. Step 2: Convert to fraction form
    65,515.80/98,273.70 = 44,520.60/x
  3. Step 3: Cross multiply
    65,515.80x = 98,273.70 × 44,520.60
  4. Step 4: Simplify right side
    65,515.80x = 4,375,204,088.22
  5. Step 5: Solve for x
    x = 4,375,204,088.22/65,515.80
  6. Step 6: Final answer
    x = 66,780.90

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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.