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Finding the Fourth Proportional to 68,589.79, 94,650.09 and 38,369.27

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Solution

The fourth proportional to 68,589.79, 94,650.09 and 38,369.27 is: 52,947.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,589.79 : 94,650.09 = 38,369.27 : x
  2. Step 2: Convert to fraction form
    68,589.79/94,650.09 = 38,369.27/x
  3. Step 3: Cross multiply
    68,589.79x = 94,650.09 × 38,369.27
  4. Step 4: Simplify right side
    68,589.79x = 3,631,654,858.73
  5. Step 5: Solve for x
    x = 3,631,654,858.73/68,589.79
  6. Step 6: Final answer
    x = 52,947.46

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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.