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Finding the Fourth Proportional to 65,512.97, 98,269.46 and 43,467.20

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Solution

The fourth proportional to 65,512.97, 98,269.46 and 43,467.20 is: 65,200.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,512.97 : 98,269.46 = 43,467.20 : x
  2. Step 2: Convert to fraction form
    65,512.97/98,269.46 = 43,467.20/x
  3. Step 3: Cross multiply
    65,512.97x = 98,269.46 × 43,467.20
  4. Step 4: Simplify right side
    65,512.97x = 4,271,498,271.71
  5. Step 5: Solve for x
    x = 4,271,498,271.71/65,512.97
  6. Step 6: Final answer
    x = 65,200.80

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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.