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Finding the Fourth Proportional to 68,740.50, 94,861.68 and 41,883

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Solution

The fourth proportional to 68,740.50, 94,861.68 and 41,883 is: 57,798.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,740.50 : 94,861.68 = 41,883 : x
  2. Step 2: Convert to fraction form
    68,740.50/94,861.68 = 41,883/x
  3. Step 3: Cross multiply
    68,740.50x = 94,861.68 × 41,883
  4. Step 4: Simplify right side
    68,740.50x = 3,973,091,743.44
  5. Step 5: Solve for x
    x = 3,973,091,743.44/68,740.50
  6. Step 6: Final answer
    x = 57,798.41

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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.