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Finding the Fourth Proportional to 22,666.68, 33,995.97 and 8,628.17

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Solution

The fourth proportional to 22,666.68, 33,995.97 and 8,628.17 is: 12,940.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,666.68 : 33,995.97 = 8,628.17 : x
  2. Step 2: Convert to fraction form
    22,666.68/33,995.97 = 8,628.17/x
  3. Step 3: Cross multiply
    22,666.68x = 33,995.97 × 8,628.17
  4. Step 4: Simplify right side
    22,666.68x = 293,322,838.50
  5. Step 5: Solve for x
    x = 293,322,838.50/22,666.68
  6. Step 6: Final answer
    x = 12,940.71

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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.