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Finding the Fourth Proportional to 6,431.47, 9,650.21 and 2,274.63

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Solution

The fourth proportional to 6,431.47, 9,650.21 and 2,274.63 is: 3,413.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,431.47 : 9,650.21 = 2,274.63 : x
  2. Step 2: Convert to fraction form
    6,431.47/9,650.21 = 2,274.63/x
  3. Step 3: Cross multiply
    6,431.47x = 9,650.21 × 2,274.63
  4. Step 4: Simplify right side
    6,431.47x = 21,950,657.17
  5. Step 5: Solve for x
    x = 21,950,657.17/6,431.47
  6. Step 6: Final answer
    x = 3,413.01

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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.