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Finding the Fourth Proportional to 69,413.88, 95,791.50 and 37,583.40

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Solution

The fourth proportional to 69,413.88, 95,791.50 and 37,583.40 is: 51,865.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,413.88 : 95,791.50 = 37,583.40 : x
  2. Step 2: Convert to fraction form
    69,413.88/95,791.50 = 37,583.40/x
  3. Step 3: Cross multiply
    69,413.88x = 95,791.50 × 37,583.40
  4. Step 4: Simplify right side
    69,413.88x = 3,600,170,261.10
  5. Step 5: Solve for x
    x = 3,600,170,261.10/69,413.88
  6. Step 6: Final answer
    x = 51,865.28

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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.