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Finding the Fourth Proportional to 33,317.25, 49,975.88 and 8,693.25

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Solution

The fourth proportional to 33,317.25, 49,975.88 and 8,693.25 is: 13,039.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,317.25 : 49,975.88 = 8,693.25 : x
  2. Step 2: Convert to fraction form
    33,317.25/49,975.88 = 8,693.25/x
  3. Step 3: Cross multiply
    33,317.25x = 49,975.88 × 8,693.25
  4. Step 4: Simplify right side
    33,317.25x = 434,452,840.54
  5. Step 5: Solve for x
    x = 434,452,840.54/33,317.25
  6. Step 6: Final answer
    x = 13,039.88

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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.