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Finding the Fourth Proportional to 50,229, 69,318.18 and 27,873

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Solution

The fourth proportional to 50,229, 69,318.18 and 27,873 is: 38,465.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,229 : 69,318.18 = 27,873 : x
  2. Step 2: Convert to fraction form
    50,229/69,318.18 = 27,873/x
  3. Step 3: Cross multiply
    50,229x = 69,318.18 × 27,873
  4. Step 4: Simplify right side
    50,229x = 1,932,105,631.14
  5. Step 5: Solve for x
    x = 1,932,105,631.14/50,229
  6. Step 6: Final answer
    x = 38,465.94

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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.