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Finding the Fourth Proportional to 29,238.86, 43,864.86 and 9,249.56

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Solution

The fourth proportional to 29,238.86, 43,864.86 and 9,249.56 is: 13,876.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,238.86 : 43,864.86 = 9,249.56 : x
  2. Step 2: Convert to fraction form
    29,238.86/43,864.86 = 9,249.56/x
  3. Step 3: Cross multiply
    29,238.86x = 43,864.86 × 9,249.56
  4. Step 4: Simplify right side
    29,238.86x = 405,730,654.46
  5. Step 5: Solve for x
    x = 405,730,654.46/29,238.86
  6. Step 6: Final answer
    x = 13,876.42

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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.