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Finding the Fourth Proportional to 8,633.37, 12,945.93 and 3,951.97

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Solution

The fourth proportional to 8,633.37, 12,945.93 and 3,951.97 is: 5,926.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,633.37 : 12,945.93 = 3,951.97 : x
  2. Step 2: Convert to fraction form
    8,633.37/12,945.93 = 3,951.97/x
  3. Step 3: Cross multiply
    8,633.37x = 12,945.93 × 3,951.97
  4. Step 4: Simplify right side
    8,633.37x = 51,161,926.98
  5. Step 5: Solve for x
    x = 51,161,926.98/8,633.37
  6. Step 6: Final answer
    x = 5,926.07

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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.