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Finding the Fourth Proportional to 33,449.31, 50,169.78 and 19,417.01

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Solution

The fourth proportional to 33,449.31, 50,169.78 and 19,417.01 is: 29,123.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,449.31 : 50,169.78 = 19,417.01 : x
  2. Step 2: Convert to fraction form
    33,449.31/50,169.78 = 19,417.01/x
  3. Step 3: Cross multiply
    33,449.31x = 50,169.78 × 19,417.01
  4. Step 4: Simplify right side
    33,449.31x = 974,146,869.11
  5. Step 5: Solve for x
    x = 974,146,869.11/33,449.31
  6. Step 6: Final answer
    x = 29,123.08

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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.