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Finding the Fourth Proportional to 64,067.44, 96,115.20 and 19,697.44

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Solution

The fourth proportional to 64,067.44, 96,115.20 and 19,697.44 is: 29,550.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,067.44 : 96,115.20 = 19,697.44 : x
  2. Step 2: Convert to fraction form
    64,067.44/96,115.20 = 19,697.44/x
  3. Step 3: Cross multiply
    64,067.44x = 96,115.20 × 19,697.44
  4. Step 4: Simplify right side
    64,067.44x = 1,893,223,385.09
  5. Step 5: Solve for x
    x = 1,893,223,385.09/64,067.44
  6. Step 6: Final answer
    x = 29,550.48

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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.