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Finding the Fourth Proportional to 33,992.40, 50,991.03 and 11,802.90

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Solution

The fourth proportional to 33,992.40, 50,991.03 and 11,802.90 is: 17,705.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,992.40 : 50,991.03 = 11,802.90 : x
  2. Step 2: Convert to fraction form
    33,992.40/50,991.03 = 11,802.90/x
  3. Step 3: Cross multiply
    33,992.40x = 50,991.03 × 11,802.90
  4. Step 4: Simplify right side
    33,992.40x = 601,842,027.99
  5. Step 5: Solve for x
    x = 601,842,027.99/33,992.40
  6. Step 6: Final answer
    x = 17,705.19

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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.