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Finding the Fourth Proportional to 32,672.45, 45,081 and 19,238.79

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Solution

The fourth proportional to 32,672.45, 45,081 and 19,238.79 is: 26,545.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,672.45 : 45,081 = 19,238.79 : x
  2. Step 2: Convert to fraction form
    32,672.45/45,081 = 19,238.79/x
  3. Step 3: Cross multiply
    32,672.45x = 45,081 × 19,238.79
  4. Step 4: Simplify right side
    32,672.45x = 867,303,891.99
  5. Step 5: Solve for x
    x = 867,303,891.99/32,672.45
  6. Step 6: Final answer
    x = 26,545.42

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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.