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Finding the Fourth Proportional to 33,191.45, 45,802.07 and 19,763.69

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Solution

The fourth proportional to 33,191.45, 45,802.07 and 19,763.69 is: 27,272.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,191.45 : 45,802.07 = 19,763.69 : x
  2. Step 2: Convert to fraction form
    33,191.45/45,802.07 = 19,763.69/x
  3. Step 3: Cross multiply
    33,191.45x = 45,802.07 × 19,763.69
  4. Step 4: Simplify right side
    33,191.45x = 905,217,814.02
  5. Step 5: Solve for x
    x = 905,217,814.02/33,191.45
  6. Step 6: Final answer
    x = 27,272.62

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.