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Finding the Fourth Proportional to 29,331.44, 43,996.71 and 7,144.85

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Solution

The fourth proportional to 29,331.44, 43,996.71 and 7,144.85 is: 10,717.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,331.44 : 43,996.71 = 7,144.85 : x
  2. Step 2: Convert to fraction form
    29,331.44/43,996.71 = 7,144.85/x
  3. Step 3: Cross multiply
    29,331.44x = 43,996.71 × 7,144.85
  4. Step 4: Simplify right side
    29,331.44x = 314,349,893.44
  5. Step 5: Solve for x
    x = 314,349,893.44/29,331.44
  6. Step 6: Final answer
    x = 10,717.17

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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.