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Finding the Fourth Proportional to 61,062.96, 91,594.90 and 18,942.26

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Solution

The fourth proportional to 61,062.96, 91,594.90 and 18,942.26 is: 28,413.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,062.96 : 91,594.90 = 18,942.26 : x
  2. Step 2: Convert to fraction form
    61,062.96/91,594.90 = 18,942.26/x
  3. Step 3: Cross multiply
    61,062.96x = 91,594.90 × 18,942.26
  4. Step 4: Simplify right side
    61,062.96x = 1,735,013,976.18
  5. Step 5: Solve for x
    x = 1,735,013,976.18/61,062.96
  6. Step 6: Final answer
    x = 28,413.52

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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.