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Finding the Fourth Proportional to 67,527.52, 101,279.60 and 18,268

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Solution

The fourth proportional to 67,527.52, 101,279.60 and 18,268 is: 27,398.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,527.52 : 101,279.60 = 18,268 : x
  2. Step 2: Convert to fraction form
    67,527.52/101,279.60 = 18,268/x
  3. Step 3: Cross multiply
    67,527.52x = 101,279.60 × 18,268
  4. Step 4: Simplify right side
    67,527.52x = 1,850,175,732.80
  5. Step 5: Solve for x
    x = 1,850,175,732.80/67,527.52
  6. Step 6: Final answer
    x = 27,398.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.