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Finding the Fourth Proportional to 61,665.78, 92,495.42 and 17,295.60

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Solution

The fourth proportional to 61,665.78, 92,495.42 and 17,295.60 is: 25,942.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,665.78 : 92,495.42 = 17,295.60 : x
  2. Step 2: Convert to fraction form
    61,665.78/92,495.42 = 17,295.60/x
  3. Step 3: Cross multiply
    61,665.78x = 92,495.42 × 17,295.60
  4. Step 4: Simplify right side
    61,665.78x = 1,599,763,786.15
  5. Step 5: Solve for x
    x = 1,599,763,786.15/61,665.78
  6. Step 6: Final answer
    x = 25,942.49

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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.