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Finding the Fourth Proportional to 22,163.84, 30,606.22 and 16,496.52

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Solution

The fourth proportional to 22,163.84, 30,606.22 and 16,496.52 is: 22,780.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,163.84 : 30,606.22 = 16,496.52 : x
  2. Step 2: Convert to fraction form
    22,163.84/30,606.22 = 16,496.52/x
  3. Step 3: Cross multiply
    22,163.84x = 30,606.22 × 16,496.52
  4. Step 4: Simplify right side
    22,163.84x = 504,896,120.35
  5. Step 5: Solve for x
    x = 504,896,120.35/22,163.84
  6. Step 6: Final answer
    x = 22,780.17

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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.