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Finding the Fourth Proportional to 66,257.75, 91,413.60 and 37,573.83

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Solution

The fourth proportional to 66,257.75, 91,413.60 and 37,573.83 is: 51,839.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,257.75 : 91,413.60 = 37,573.83 : x
  2. Step 2: Convert to fraction form
    66,257.75/91,413.60 = 37,573.83/x
  3. Step 3: Cross multiply
    66,257.75x = 91,413.60 × 37,573.83
  4. Step 4: Simplify right side
    66,257.75x = 3,434,759,066.09
  5. Step 5: Solve for x
    x = 3,434,759,066.09/66,257.75
  6. Step 6: Final answer
    x = 51,839.36

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1.5x scale

Why These Related Problems?

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