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Finding the Fourth Proportional to 27,067.39, 40,590.68 and 9,294.74

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Solution

The fourth proportional to 27,067.39, 40,590.68 and 9,294.74 is: 13,938.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,067.39 : 40,590.68 = 9,294.74 : x
  2. Step 2: Convert to fraction form
    27,067.39/40,590.68 = 9,294.74/x
  3. Step 3: Cross multiply
    27,067.39x = 40,590.68 × 9,294.74
  4. Step 4: Simplify right side
    27,067.39x = 377,279,770.55
  5. Step 5: Solve for x
    x = 377,279,770.55/27,067.39
  6. Step 6: Final answer
    x = 13,938.54

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1.5x scale

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.