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Finding the Fourth Proportional to 26,662.40, 39,950.40 and 25,107.20

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Solution

The fourth proportional to 26,662.40, 39,950.40 and 25,107.20 is: 37,620.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,662.40 : 39,950.40 = 25,107.20 : x
  2. Step 2: Convert to fraction form
    26,662.40/39,950.40 = 25,107.20/x
  3. Step 3: Cross multiply
    26,662.40x = 39,950.40 × 25,107.20
  4. Step 4: Simplify right side
    26,662.40x = 1,003,042,682.88
  5. Step 5: Solve for x
    x = 1,003,042,682.88/26,662.40
  6. Step 6: Final answer
    x = 37,620.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.