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Finding the Fourth Proportional to 41,651.38, 57,478.84 and 22,788.51

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Solution

The fourth proportional to 41,651.38, 57,478.84 and 22,788.51 is: 31,448.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,651.38 : 57,478.84 = 22,788.51 : x
  2. Step 2: Convert to fraction form
    41,651.38/57,478.84 = 22,788.51/x
  3. Step 3: Cross multiply
    41,651.38x = 57,478.84 × 22,788.51
  4. Step 4: Simplify right side
    41,651.38x = 1,309,857,120.13
  5. Step 5: Solve for x
    x = 1,309,857,120.13/41,651.38
  6. Step 6: Final answer
    x = 31,448.11

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Why These Related Problems?

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