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Finding the Fourth Proportional to 33,991.65, 50,989.91 and 11,802.15

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Solution

The fourth proportional to 33,991.65, 50,989.91 and 11,802.15 is: 17,704.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,991.65 : 50,989.91 = 11,802.15 : x
  2. Step 2: Convert to fraction form
    33,991.65/50,989.91 = 11,802.15/x
  3. Step 3: Cross multiply
    33,991.65x = 50,989.91 × 11,802.15
  4. Step 4: Simplify right side
    33,991.65x = 601,790,507.30
  5. Step 5: Solve for x
    x = 601,790,507.30/33,991.65
  6. Step 6: Final answer
    x = 17,704.07

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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.