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Finding the Fourth Proportional to 68,289.36, 94,230.36 and 38,067.36

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Solution

The fourth proportional to 68,289.36, 94,230.36 and 38,067.36 is: 52,527.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,289.36 : 94,230.36 = 38,067.36 : x
  2. Step 2: Convert to fraction form
    68,289.36/94,230.36 = 38,067.36/x
  3. Step 3: Cross multiply
    68,289.36x = 94,230.36 × 38,067.36
  4. Step 4: Simplify right side
    68,289.36x = 3,587,101,037.05
  5. Step 5: Solve for x
    x = 3,587,101,037.05/68,289.36
  6. Step 6: Final answer
    x = 52,527.96

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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.