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Finding the Fourth Proportional to 33,557.64, 50,342.88 and 11,365.08

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Solution

The fourth proportional to 33,557.64, 50,342.88 and 11,365.08 is: 17,049.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,557.64 : 50,342.88 = 11,365.08 : x
  2. Step 2: Convert to fraction form
    33,557.64/50,342.88 = 11,365.08/x
  3. Step 3: Cross multiply
    33,557.64x = 50,342.88 × 11,365.08
  4. Step 4: Simplify right side
    33,557.64x = 572,150,858.63
  5. Step 5: Solve for x
    x = 572,150,858.63/33,557.64
  6. Step 6: Final answer
    x = 17,049.79

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.