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Finding the Fourth Proportional to 53,467.20, 80,103.60 and 43,552.80

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Solution

The fourth proportional to 53,467.20, 80,103.60 and 43,552.80 is: 65,250.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,467.20 : 80,103.60 = 43,552.80 : x
  2. Step 2: Convert to fraction form
    53,467.20/80,103.60 = 43,552.80/x
  3. Step 3: Cross multiply
    53,467.20x = 80,103.60 × 43,552.80
  4. Step 4: Simplify right side
    53,467.20x = 3,488,736,070.08
  5. Step 5: Solve for x
    x = 3,488,736,070.08/53,467.20
  6. Step 6: Final answer
    x = 65,250.02

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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.