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Finding the Fourth Proportional to 27,081.30, 40,625.80 and 8,362.86

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Solution

The fourth proportional to 27,081.30, 40,625.80 and 8,362.86 is: 12,545.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,081.30 : 40,625.80 = 8,362.86 : x
  2. Step 2: Convert to fraction form
    27,081.30/40,625.80 = 8,362.86/x
  3. Step 3: Cross multiply
    27,081.30x = 40,625.80 × 8,362.86
  4. Step 4: Simplify right side
    27,081.30x = 339,747,877.79
  5. Step 5: Solve for x
    x = 339,747,877.79/27,081.30
  6. Step 6: Final answer
    x = 12,545.48

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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.