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Finding the Fourth Proportional to 47,404.80, 71,164.80 and 35,625.60

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Solution

The fourth proportional to 47,404.80, 71,164.80 and 35,625.60 is: 53,481.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,404.80 : 71,164.80 = 35,625.60 : x
  2. Step 2: Convert to fraction form
    47,404.80/71,164.80 = 35,625.60/x
  3. Step 3: Cross multiply
    47,404.80x = 71,164.80 × 35,625.60
  4. Step 4: Simplify right side
    47,404.80x = 2,535,288,698.88
  5. Step 5: Solve for x
    x = 2,535,288,698.88/47,404.80
  6. Step 6: Final answer
    x = 53,481.69

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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.