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Finding the Fourth Proportional to 64,067.94, 96,111.12 and 19,698.42

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Solution

The fourth proportional to 64,067.94, 96,111.12 and 19,698.42 is: 29,550.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,067.94 : 96,111.12 = 19,698.42 : x
  2. Step 2: Convert to fraction form
    64,067.94/96,111.12 = 19,698.42/x
  3. Step 3: Cross multiply
    64,067.94x = 96,111.12 × 19,698.42
  4. Step 4: Simplify right side
    64,067.94x = 1,893,237,208.43
  5. Step 5: Solve for x
    x = 1,893,237,208.43/64,067.94
  6. Step 6: Final answer
    x = 29,550.46

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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.