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Finding the Fourth Proportional to 16,664.80, 24,997.20 and 16,446.10

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Solution

The fourth proportional to 16,664.80, 24,997.20 and 16,446.10 is: 24,669.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,664.80 : 24,997.20 = 16,446.10 : x
  2. Step 2: Convert to fraction form
    16,664.80/24,997.20 = 16,446.10/x
  3. Step 3: Cross multiply
    16,664.80x = 24,997.20 × 16,446.10
  4. Step 4: Simplify right side
    16,664.80x = 411,106,450.92
  5. Step 5: Solve for x
    x = 411,106,450.92/16,664.80
  6. Step 6: Final answer
    x = 24,669.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.