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Finding the Fourth Proportional to 49,489.67, 68,279.68 and 27,977.33

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Solution

The fourth proportional to 49,489.67, 68,279.68 and 27,977.33 is: 38,599.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,489.67 : 68,279.68 = 27,977.33 : x
  2. Step 2: Convert to fraction form
    49,489.67/68,279.68 = 27,977.33/x
  3. Step 3: Cross multiply
    49,489.67x = 68,279.68 × 27,977.33
  4. Step 4: Simplify right side
    49,489.67x = 1,910,283,424.01
  5. Step 5: Solve for x
    x = 1,910,283,424.01/49,489.67
  6. Step 6: Final answer
    x = 38,599.64

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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.