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Finding the Fourth Proportional to 16,257.54, 22,435.33 and 8,805.54

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Solution

The fourth proportional to 16,257.54, 22,435.33 and 8,805.54 is: 12,151.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,257.54 : 22,435.33 = 8,805.54 : x
  2. Step 2: Convert to fraction form
    16,257.54/22,435.33 = 8,805.54/x
  3. Step 3: Cross multiply
    16,257.54x = 22,435.33 × 8,805.54
  4. Step 4: Simplify right side
    16,257.54x = 197,555,195.73
  5. Step 5: Solve for x
    x = 197,555,195.73/16,257.54
  6. Step 6: Final answer
    x = 12,151.60

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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.