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Finding the Fourth Proportional to 48,731, 67,250.41 and 29,864.48

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Solution

The fourth proportional to 48,731, 67,250.41 and 29,864.48 is: 41,213.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,731 : 67,250.41 = 29,864.48 : x
  2. Step 2: Convert to fraction form
    48,731/67,250.41 = 29,864.48/x
  3. Step 3: Cross multiply
    48,731x = 67,250.41 × 29,864.48
  4. Step 4: Simplify right side
    48,731x = 2,008,398,524.44
  5. Step 5: Solve for x
    x = 2,008,398,524.44/48,731
  6. Step 6: Final answer
    x = 41,213.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.