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Finding the Fourth Proportional to 29,169.36, 43,753.78 and 9,180.36

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Solution

The fourth proportional to 29,169.36, 43,753.78 and 9,180.36 is: 13,770.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,169.36 : 43,753.78 = 9,180.36 : x
  2. Step 2: Convert to fraction form
    29,169.36/43,753.78 = 9,180.36/x
  3. Step 3: Cross multiply
    29,169.36x = 43,753.78 × 9,180.36
  4. Step 4: Simplify right side
    29,169.36x = 401,675,451.76
  5. Step 5: Solve for x
    x = 401,675,451.76/29,169.36
  6. Step 6: Final answer
    x = 13,770.46

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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.