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Finding the Fourth Proportional to 16,474.73, 22,734.84 and 8,920.99

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Solution

The fourth proportional to 16,474.73, 22,734.84 and 8,920.99 is: 12,310.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,474.73 : 22,734.84 = 8,920.99 : x
  2. Step 2: Convert to fraction form
    16,474.73/22,734.84 = 8,920.99/x
  3. Step 3: Cross multiply
    16,474.73x = 22,734.84 × 8,920.99
  4. Step 4: Simplify right side
    16,474.73x = 202,817,330.83
  5. Step 5: Solve for x
    x = 202,817,330.83/16,474.73
  6. Step 6: Final answer
    x = 12,310.82

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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.