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Finding the Fourth Proportional to 29,791.82, 44,687.69 and 7,605.20

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Solution

The fourth proportional to 29,791.82, 44,687.69 and 7,605.20 is: 11,407.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,791.82 : 44,687.69 = 7,605.20 : x
  2. Step 2: Convert to fraction form
    29,791.82/44,687.69 = 7,605.20/x
  3. Step 3: Cross multiply
    29,791.82x = 44,687.69 × 7,605.20
  4. Step 4: Simplify right side
    29,791.82x = 339,858,596.55
  5. Step 5: Solve for x
    x = 339,858,596.55/29,791.82
  6. Step 6: Final answer
    x = 11,407.78

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1.5x scale

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.