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Finding the Fourth Proportional to 27,067.51, 40,590.86 and 9,294.87

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Solution

The fourth proportional to 27,067.51, 40,590.86 and 9,294.87 is: 13,938.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,067.51 : 40,590.86 = 9,294.87 : x
  2. Step 2: Convert to fraction form
    27,067.51/40,590.86 = 9,294.87/x
  3. Step 3: Cross multiply
    27,067.51x = 40,590.86 × 9,294.87
  4. Step 4: Simplify right side
    27,067.51x = 377,286,587.17
  5. Step 5: Solve for x
    x = 377,286,587.17/27,067.51
  6. Step 6: Final answer
    x = 13,938.73

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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.