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Finding the Fourth Proportional to 27,342.96, 41,019.88 and 8,625.88

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Solution

The fourth proportional to 27,342.96, 41,019.88 and 8,625.88 is: 12,940.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,342.96 : 41,019.88 = 8,625.88 : x
  2. Step 2: Convert to fraction form
    27,342.96/41,019.88 = 8,625.88/x
  3. Step 3: Cross multiply
    27,342.96x = 41,019.88 × 8,625.88
  4. Step 4: Simplify right side
    27,342.96x = 353,832,562.49
  5. Step 5: Solve for x
    x = 353,832,562.49/27,342.96
  6. Step 6: Final answer
    x = 12,940.54

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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.