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Finding the Fourth Proportional to 16,447.70, 22,697.81 and 8,894.01

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Solution

The fourth proportional to 16,447.70, 22,697.81 and 8,894.01 is: 12,273.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,447.70 : 22,697.81 = 8,894.01 : x
  2. Step 2: Convert to fraction form
    16,447.70/22,697.81 = 8,894.01/x
  3. Step 3: Cross multiply
    16,447.70x = 22,697.81 × 8,894.01
  4. Step 4: Simplify right side
    16,447.70x = 201,874,504.65
  5. Step 5: Solve for x
    x = 201,874,504.65/16,447.70
  6. Step 6: Final answer
    x = 12,273.73

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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.