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Finding the Fourth Proportional to 33,396.71, 50,065.29 and 12,634.79

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Solution

The fourth proportional to 33,396.71, 50,065.29 and 12,634.79 is: 18,940.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,396.71 : 50,065.29 = 12,634.79 : x
  2. Step 2: Convert to fraction form
    33,396.71/50,065.29 = 12,634.79/x
  3. Step 3: Cross multiply
    33,396.71x = 50,065.29 × 12,634.79
  4. Step 4: Simplify right side
    33,396.71x = 632,564,175.11
  5. Step 5: Solve for x
    x = 632,564,175.11/33,396.71
  6. Step 6: Final answer
    x = 18,940.92

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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.