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Finding the Fourth Proportional to 33,603.05, 50,401.64 and 11,414.12

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Solution

The fourth proportional to 33,603.05, 50,401.64 and 11,414.12 is: 17,120.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,603.05 : 50,401.64 = 11,414.12 : x
  2. Step 2: Convert to fraction form
    33,603.05/50,401.64 = 11,414.12/x
  3. Step 3: Cross multiply
    33,603.05x = 50,401.64 × 11,414.12
  4. Step 4: Simplify right side
    33,603.05x = 575,290,143.68
  5. Step 5: Solve for x
    x = 575,290,143.68/33,603.05
  6. Step 6: Final answer
    x = 17,120.18

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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.