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Finding the Fourth Proportional to 16,065.21, 22,168.02 and 8,894.58

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Solution

The fourth proportional to 16,065.21, 22,168.02 and 8,894.58 is: 12,273.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,065.21 : 22,168.02 = 8,894.58 : x
  2. Step 2: Convert to fraction form
    16,065.21/22,168.02 = 8,894.58/x
  3. Step 3: Cross multiply
    16,065.21x = 22,168.02 × 8,894.58
  4. Step 4: Simplify right side
    16,065.21x = 197,175,227.33
  5. Step 5: Solve for x
    x = 197,175,227.33/16,065.21
  6. Step 6: Final answer
    x = 12,273.43

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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.