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Finding the Fourth Proportional to 49,680.70, 74,540.96 and 18,092.96

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Solution

The fourth proportional to 49,680.70, 74,540.96 and 18,092.96 is: 27,146.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,680.70 : 74,540.96 = 18,092.96 : x
  2. Step 2: Convert to fraction form
    49,680.70/74,540.96 = 18,092.96/x
  3. Step 3: Cross multiply
    49,680.70x = 74,540.96 × 18,092.96
  4. Step 4: Simplify right side
    49,680.70x = 1,348,666,424.00
  5. Step 5: Solve for x
    x = 1,348,666,424.00/49,680.70
  6. Step 6: Final answer
    x = 27,146.69

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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.