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Finding the Fourth Proportional to 33,317.88, 49,976.82 and 8,693.88

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Solution

The fourth proportional to 33,317.88, 49,976.82 and 8,693.88 is: 13,040.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,317.88 : 49,976.82 = 8,693.88 : x
  2. Step 2: Convert to fraction form
    33,317.88/49,976.82 = 8,693.88/x
  3. Step 3: Cross multiply
    33,317.88x = 49,976.82 × 8,693.88
  4. Step 4: Simplify right side
    33,317.88x = 434,492,475.86
  5. Step 5: Solve for x
    x = 434,492,475.86/33,317.88
  6. Step 6: Final answer
    x = 13,040.82

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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.