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Finding the Fourth Proportional to 33,891.08, 50,813.92 and 13,090.28

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Solution

The fourth proportional to 33,891.08, 50,813.92 and 13,090.28 is: 19,626.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,891.08 : 50,813.92 = 13,090.28 : x
  2. Step 2: Convert to fraction form
    33,891.08/50,813.92 = 13,090.28/x
  3. Step 3: Cross multiply
    33,891.08x = 50,813.92 × 13,090.28
  4. Step 4: Simplify right side
    33,891.08x = 665,168,440.70
  5. Step 5: Solve for x
    x = 665,168,440.70/33,891.08
  6. Step 6: Final answer
    x = 19,626.65

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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.