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Finding the Fourth Proportional to 68,573.82, 94,640.63 and 38,360.82

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Solution

The fourth proportional to 68,573.82, 94,640.63 and 38,360.82 is: 52,942.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,573.82 : 94,640.63 = 38,360.82 : x
  2. Step 2: Convert to fraction form
    68,573.82/94,640.63 = 38,360.82/x
  3. Step 3: Cross multiply
    68,573.82x = 94,640.63 × 38,360.82
  4. Step 4: Simplify right side
    68,573.82x = 3,630,491,980.31
  5. Step 5: Solve for x
    x = 3,630,491,980.31/68,573.82
  6. Step 6: Final answer
    x = 52,942.83

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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.