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Finding the Fourth Proportional to 38,603.80, 57,927.30 and 16,413.40

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Solution

The fourth proportional to 38,603.80, 57,927.30 and 16,413.40 is: 24,629.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,603.80 : 57,927.30 = 16,413.40 : x
  2. Step 2: Convert to fraction form
    38,603.80/57,927.30 = 16,413.40/x
  3. Step 3: Cross multiply
    38,603.80x = 57,927.30 × 16,413.40
  4. Step 4: Simplify right side
    38,603.80x = 950,783,945.82
  5. Step 5: Solve for x
    x = 950,783,945.82/38,603.80
  6. Step 6: Final answer
    x = 24,629.28

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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.