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Finding the Fourth Proportional to 52,474.87, 72,413.19 and 28,601.03

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Solution

The fourth proportional to 52,474.87, 72,413.19 and 28,601.03 is: 39,468.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,474.87 : 72,413.19 = 28,601.03 : x
  2. Step 2: Convert to fraction form
    52,474.87/72,413.19 = 28,601.03/x
  3. Step 3: Cross multiply
    52,474.87x = 72,413.19 × 28,601.03
  4. Step 4: Simplify right side
    52,474.87x = 2,071,092,000.62
  5. Step 5: Solve for x
    x = 2,071,092,000.62/52,474.87
  6. Step 6: Final answer
    x = 39,468.26

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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.