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Finding the Fourth Proportional to 50,249.79, 69,345 and 27,589.77

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Solution

The fourth proportional to 50,249.79, 69,345 and 27,589.77 is: 38,074.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,249.79 : 69,345 = 27,589.77 : x
  2. Step 2: Convert to fraction form
    50,249.79/69,345 = 27,589.77/x
  3. Step 3: Cross multiply
    50,249.79x = 69,345 × 27,589.77
  4. Step 4: Simplify right side
    50,249.79x = 1,913,212,600.65
  5. Step 5: Solve for x
    x = 1,913,212,600.65/50,249.79
  6. Step 6: Final answer
    x = 38,074.04

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Double scale
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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.