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Finding the Fourth Proportional to 80,381.91, 110,926.83 and 44,571

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Solution

The fourth proportional to 80,381.91, 110,926.83 and 44,571 is: 61,507.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,381.91 : 110,926.83 = 44,571 : x
  2. Step 2: Convert to fraction form
    80,381.91/110,926.83 = 44,571/x
  3. Step 3: Cross multiply
    80,381.91x = 110,926.83 × 44,571
  4. Step 4: Simplify right side
    80,381.91x = 4,944,119,739.93
  5. Step 5: Solve for x
    x = 4,944,119,739.93/80,381.91
  6. Step 6: Final answer
    x = 61,507.87

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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.