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Finding the Fourth Proportional to 45,229.69, 62,413.90 and 25,085.80

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Solution

The fourth proportional to 45,229.69, 62,413.90 and 25,085.80 is: 34,616.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,229.69 : 62,413.90 = 25,085.80 : x
  2. Step 2: Convert to fraction form
    45,229.69/62,413.90 = 25,085.80/x
  3. Step 3: Cross multiply
    45,229.69x = 62,413.90 × 25,085.80
  4. Step 4: Simplify right side
    45,229.69x = 1,565,702,612.62
  5. Step 5: Solve for x
    x = 1,565,702,612.62/45,229.69
  6. Step 6: Final answer
    x = 34,616.70

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.