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Finding the Fourth Proportional to 16,698.20, 24,998.70 and 16,212.20

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Solution

The fourth proportional to 16,698.20, 24,998.70 and 16,212.20 is: 24,271.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,698.20 : 24,998.70 = 16,212.20 : x
  2. Step 2: Convert to fraction form
    16,698.20/24,998.70 = 16,212.20/x
  3. Step 3: Cross multiply
    16,698.20x = 24,998.70 × 16,212.20
  4. Step 4: Simplify right side
    16,698.20x = 405,283,924.14
  5. Step 5: Solve for x
    x = 405,283,924.14/16,698.20
  6. Step 6: Final answer
    x = 24,271.11

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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.