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Finding the Fourth Proportional to 60,542.87, 90,813.38 and 27,239.42

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Solution

The fourth proportional to 60,542.87, 90,813.38 and 27,239.42 is: 40,858.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,542.87 : 90,813.38 = 27,239.42 : x
  2. Step 2: Convert to fraction form
    60,542.87/90,813.38 = 27,239.42/x
  3. Step 3: Cross multiply
    60,542.87x = 90,813.38 × 27,239.42
  4. Step 4: Simplify right side
    60,542.87x = 2,473,703,413.47
  5. Step 5: Solve for x
    x = 2,473,703,413.47/60,542.87
  6. Step 6: Final answer
    x = 40,858.71

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1.5x scale

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.