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Finding the Fourth Proportional to 33,216.65, 49,824.90 and 13,490.58

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Solution

The fourth proportional to 33,216.65, 49,824.90 and 13,490.58 is: 20,235.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,216.65 : 49,824.90 = 13,490.58 : x
  2. Step 2: Convert to fraction form
    33,216.65/49,824.90 = 13,490.58/x
  3. Step 3: Cross multiply
    33,216.65x = 49,824.90 × 13,490.58
  4. Step 4: Simplify right side
    33,216.65x = 672,166,799.44
  5. Step 5: Solve for x
    x = 672,166,799.44/33,216.65
  6. Step 6: Final answer
    x = 20,235.84

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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.