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Finding the Fourth Proportional to 17,274.50, 25,890.44 and 8,949.72

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Solution

The fourth proportional to 17,274.50, 25,890.44 and 8,949.72 is: 13,413.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,274.50 : 25,890.44 = 8,949.72 : x
  2. Step 2: Convert to fraction form
    17,274.50/25,890.44 = 8,949.72/x
  3. Step 3: Cross multiply
    17,274.50x = 25,890.44 × 8,949.72
  4. Step 4: Simplify right side
    17,274.50x = 231,712,241.02
  5. Step 5: Solve for x
    x = 231,712,241.02/17,274.50
  6. Step 6: Final answer
    x = 13,413.54

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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.