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Finding the Fourth Proportional to 22,600.99, 33,906.50 and 6,807.21

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Solution

The fourth proportional to 22,600.99, 33,906.50 and 6,807.21 is: 10,212.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,600.99 : 33,906.50 = 6,807.21 : x
  2. Step 2: Convert to fraction form
    22,600.99/33,906.50 = 6,807.21/x
  3. Step 3: Cross multiply
    22,600.99x = 33,906.50 × 6,807.21
  4. Step 4: Simplify right side
    22,600.99x = 230,808,530.21
  5. Step 5: Solve for x
    x = 230,808,530.21/22,600.99
  6. Step 6: Final answer
    x = 10,212.32

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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.