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Finding the Fourth Proportional to 35,672.30, 53,504.39 and 9,379.09

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Solution

The fourth proportional to 35,672.30, 53,504.39 and 9,379.09 is: 14,067.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,672.30 : 53,504.39 = 9,379.09 : x
  2. Step 2: Convert to fraction form
    35,672.30/53,504.39 = 9,379.09/x
  3. Step 3: Cross multiply
    35,672.30x = 53,504.39 × 9,379.09
  4. Step 4: Simplify right side
    35,672.30x = 501,822,221.68
  5. Step 5: Solve for x
    x = 501,822,221.68/35,672.30
  6. Step 6: Final answer
    x = 14,067.56

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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.