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Finding the Fourth Proportional to 27,360.88, 41,046.80 and 8,642.65

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Solution

The fourth proportional to 27,360.88, 41,046.80 and 8,642.65 is: 12,965.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,360.88 : 41,046.80 = 8,642.65 : x
  2. Step 2: Convert to fraction form
    27,360.88/41,046.80 = 8,642.65/x
  3. Step 3: Cross multiply
    27,360.88x = 41,046.80 × 8,642.65
  4. Step 4: Simplify right side
    27,360.88x = 354,753,126.02
  5. Step 5: Solve for x
    x = 354,753,126.02/27,360.88
  6. Step 6: Final answer
    x = 12,965.71

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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.