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Finding the Fourth Proportional to 33,153.45, 45,752.72 and 18,047.09

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Solution

The fourth proportional to 33,153.45, 45,752.72 and 18,047.09 is: 24,905.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,153.45 : 45,752.72 = 18,047.09 : x
  2. Step 2: Convert to fraction form
    33,153.45/45,752.72 = 18,047.09/x
  3. Step 3: Cross multiply
    33,153.45x = 45,752.72 × 18,047.09
  4. Step 4: Simplify right side
    33,153.45x = 825,703,455.58
  5. Step 5: Solve for x
    x = 825,703,455.58/33,153.45
  6. Step 6: Final answer
    x = 24,905.51

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.