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Finding the Fourth Proportional to 12,234.92, 16,891.36 and 8,874.50

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Solution

The fourth proportional to 12,234.92, 16,891.36 and 8,874.50 is: 12,252.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,234.92 : 16,891.36 = 8,874.50 : x
  2. Step 2: Convert to fraction form
    12,234.92/16,891.36 = 8,874.50/x
  3. Step 3: Cross multiply
    12,234.92x = 16,891.36 × 8,874.50
  4. Step 4: Simplify right side
    12,234.92x = 149,902,374.32
  5. Step 5: Solve for x
    x = 149,902,374.32/12,234.92
  6. Step 6: Final answer
    x = 12,252.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.