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Finding the Fourth Proportional to 27,231.19, 40,846.78 and 8,763.19

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Solution

The fourth proportional to 27,231.19, 40,846.78 and 8,763.19 is: 13,144.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,231.19 : 40,846.78 = 8,763.19 : x
  2. Step 2: Convert to fraction form
    27,231.19/40,846.78 = 8,763.19/x
  3. Step 3: Cross multiply
    27,231.19x = 40,846.78 × 8,763.19
  4. Step 4: Simplify right side
    27,231.19x = 357,948,002.87
  5. Step 5: Solve for x
    x = 357,948,002.87/27,231.19
  6. Step 6: Final answer
    x = 13,144.78

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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.