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Finding the Fourth Proportional to 33,998.89, 50,955.15 and 19,216.12

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Solution

The fourth proportional to 33,998.89, 50,955.15 and 19,216.12 is: 28,799.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,998.89 : 50,955.15 = 19,216.12 : x
  2. Step 2: Convert to fraction form
    33,998.89/50,955.15 = 19,216.12/x
  3. Step 3: Cross multiply
    33,998.89x = 50,955.15 × 19,216.12
  4. Step 4: Simplify right side
    33,998.89x = 979,160,277.02
  5. Step 5: Solve for x
    x = 979,160,277.02/33,998.89
  6. Step 6: Final answer
    x = 28,799.77

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Similar ratio
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1.5x scale

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.