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Finding the Fourth Proportional to 33,690.52, 50,539.02 and 13,968.64

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Solution

The fourth proportional to 33,690.52, 50,539.02 and 13,968.64 is: 20,954.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,690.52 : 50,539.02 = 13,968.64 : x
  2. Step 2: Convert to fraction form
    33,690.52/50,539.02 = 13,968.64/x
  3. Step 3: Cross multiply
    33,690.52x = 50,539.02 × 13,968.64
  4. Step 4: Simplify right side
    33,690.52x = 705,961,376.33
  5. Step 5: Solve for x
    x = 705,961,376.33/33,690.52
  6. Step 6: Final answer
    x = 20,954.30

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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.