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Finding the Fourth Proportional to 33,168.66, 45,758.22 and 21,823.56

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Solution

The fourth proportional to 33,168.66, 45,758.22 and 21,823.56 is: 30,106.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,168.66 : 45,758.22 = 21,823.56 : x
  2. Step 2: Convert to fraction form
    33,168.66/45,758.22 = 21,823.56/x
  3. Step 3: Cross multiply
    33,168.66x = 45,758.22 × 21,823.56
  4. Step 4: Simplify right side
    33,168.66x = 998,607,259.66
  5. Step 5: Solve for x
    x = 998,607,259.66/33,168.66
  6. Step 6: Final answer
    x = 30,106.95

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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.