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Finding the Fourth Proportional to 69,620.60, 96,076.91 and 37,789.49

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Solution

The fourth proportional to 69,620.60, 96,076.91 and 37,789.49 is: 52,149.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,620.60 : 96,076.91 = 37,789.49 : x
  2. Step 2: Convert to fraction form
    69,620.60/96,076.91 = 37,789.49/x
  3. Step 3: Cross multiply
    69,620.60x = 96,076.91 × 37,789.49
  4. Step 4: Simplify right side
    69,620.60x = 3,630,697,429.68
  5. Step 5: Solve for x
    x = 3,630,697,429.68/69,620.60
  6. Step 6: Final answer
    x = 52,149.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.