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Finding the Fourth Proportional to 61,408.38, 92,112.60 and 17,046.30

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Solution

The fourth proportional to 61,408.38, 92,112.60 and 17,046.30 is: 25,569.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,408.38 : 92,112.60 = 17,046.30 : x
  2. Step 2: Convert to fraction form
    61,408.38/92,112.60 = 17,046.30/x
  3. Step 3: Cross multiply
    61,408.38x = 92,112.60 × 17,046.30
  4. Step 4: Simplify right side
    61,408.38x = 1,570,179,013.38
  5. Step 5: Solve for x
    x = 1,570,179,013.38/61,408.38
  6. Step 6: Final answer
    x = 25,569.46

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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.