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Finding the Fourth Proportional to 33,065.32, 45,628.50 and 18,722.92

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Solution

The fourth proportional to 33,065.32, 45,628.50 and 18,722.92 is: 25,836.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,065.32 : 45,628.50 = 18,722.92 : x
  2. Step 2: Convert to fraction form
    33,065.32/45,628.50 = 18,722.92/x
  3. Step 3: Cross multiply
    33,065.32x = 45,628.50 × 18,722.92
  4. Step 4: Simplify right side
    33,065.32x = 854,298,755.22
  5. Step 5: Solve for x
    x = 854,298,755.22/33,065.32
  6. Step 6: Final answer
    x = 25,836.70

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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.