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Finding the Fourth Proportional to 16,482.44, 22,745.88 and 8,928.77

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Solution

The fourth proportional to 16,482.44, 22,745.88 and 8,928.77 is: 12,321.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,482.44 : 22,745.88 = 8,928.77 : x
  2. Step 2: Convert to fraction form
    16,482.44/22,745.88 = 8,928.77/x
  3. Step 3: Cross multiply
    16,482.44x = 22,745.88 × 8,928.77
  4. Step 4: Simplify right side
    16,482.44x = 203,092,771.09
  5. Step 5: Solve for x
    x = 203,092,771.09/16,482.44
  6. Step 6: Final answer
    x = 12,321.76

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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.