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Finding the Fourth Proportional to 33,419.28, 50,133.28 and 11,223.12

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Solution

The fourth proportional to 33,419.28, 50,133.28 and 11,223.12 is: 16,836.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,419.28 : 50,133.28 = 11,223.12 : x
  2. Step 2: Convert to fraction form
    33,419.28/50,133.28 = 11,223.12/x
  3. Step 3: Cross multiply
    33,419.28x = 50,133.28 × 11,223.12
  4. Step 4: Simplify right side
    33,419.28x = 562,651,817.43
  5. Step 5: Solve for x
    x = 562,651,817.43/33,419.28
  6. Step 6: Final answer
    x = 16,836.14

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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.