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Finding the Fourth Proportional to 16,550.80, 22,840.54 and 8,997.64

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Solution

The fourth proportional to 16,550.80, 22,840.54 and 8,997.64 is: 12,416.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,550.80 : 22,840.54 = 8,997.64 : x
  2. Step 2: Convert to fraction form
    16,550.80/22,840.54 = 8,997.64/x
  3. Step 3: Cross multiply
    16,550.80x = 22,840.54 × 8,997.64
  4. Step 4: Simplify right side
    16,550.80x = 205,510,961.52
  5. Step 5: Solve for x
    x = 205,510,961.52/16,550.80
  6. Step 6: Final answer
    x = 12,416.98

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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.