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Finding the Fourth Proportional to 61,691.54, 92,556.75 and 26,647.70

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Solution

The fourth proportional to 61,691.54, 92,556.75 and 26,647.70 is: 39,979.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,691.54 : 92,556.75 = 26,647.70 : x
  2. Step 2: Convert to fraction form
    61,691.54/92,556.75 = 26,647.70/x
  3. Step 3: Cross multiply
    61,691.54x = 92,556.75 × 26,647.70
  4. Step 4: Simplify right side
    61,691.54x = 2,466,424,506.98
  5. Step 5: Solve for x
    x = 2,466,424,506.98/61,691.54
  6. Step 6: Final answer
    x = 39,979.95

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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.