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Finding the Fourth Proportional to 23,625.31, 35,451.92 and 8,631.09

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Solution

The fourth proportional to 23,625.31, 35,451.92 and 8,631.09 is: 12,951.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,625.31 : 35,451.92 = 8,631.09 : x
  2. Step 2: Convert to fraction form
    23,625.31/35,451.92 = 8,631.09/x
  3. Step 3: Cross multiply
    23,625.31x = 35,451.92 × 8,631.09
  4. Step 4: Simplify right side
    23,625.31x = 305,988,822.65
  5. Step 5: Solve for x
    x = 305,988,822.65/23,625.31
  6. Step 6: Final answer
    x = 12,951.74

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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.