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Finding the Fourth Proportional to 33,317.22, 49,975.76 and 8,693.22

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Solution

The fourth proportional to 33,317.22, 49,975.76 and 8,693.22 is: 13,039.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,317.22 : 49,975.76 = 8,693.22 : x
  2. Step 2: Convert to fraction form
    33,317.22/49,975.76 = 8,693.22/x
  3. Step 3: Cross multiply
    33,317.22x = 49,975.76 × 8,693.22
  4. Step 4: Simplify right side
    33,317.22x = 434,450,276.35
  5. Step 5: Solve for x
    x = 434,450,276.35/33,317.22
  6. Step 6: Final answer
    x = 13,039.81

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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.