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Finding the Fourth Proportional to 29,305.98, 43,958.37 and 7,119.48

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Solution

The fourth proportional to 29,305.98, 43,958.37 and 7,119.48 is: 10,679.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,305.98 : 43,958.37 = 7,119.48 : x
  2. Step 2: Convert to fraction form
    29,305.98/43,958.37 = 7,119.48/x
  3. Step 3: Cross multiply
    29,305.98x = 43,958.37 × 7,119.48
  4. Step 4: Simplify right side
    29,305.98x = 312,960,736.05
  5. Step 5: Solve for x
    x = 312,960,736.05/29,305.98
  6. Step 6: Final answer
    x = 10,679.07

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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.