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Finding the Fourth Proportional to 61,958.38, 92,939.39 and 15,211.25

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Solution

The fourth proportional to 61,958.38, 92,939.39 and 15,211.25 is: 22,817.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,958.38 : 92,939.39 = 15,211.25 : x
  2. Step 2: Convert to fraction form
    61,958.38/92,939.39 = 15,211.25/x
  3. Step 3: Cross multiply
    61,958.38x = 92,939.39 × 15,211.25
  4. Step 4: Simplify right side
    61,958.38x = 1,413,724,296.14
  5. Step 5: Solve for x
    x = 1,413,724,296.14/61,958.38
  6. Step 6: Final answer
    x = 22,817.32

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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.