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Finding the Fourth Proportional to 27,453.84, 41,179.68 and 12,657.84

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Solution

The fourth proportional to 27,453.84, 41,179.68 and 12,657.84 is: 18,986.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,453.84 : 41,179.68 = 12,657.84 : x
  2. Step 2: Convert to fraction form
    27,453.84/41,179.68 = 12,657.84/x
  3. Step 3: Cross multiply
    27,453.84x = 41,179.68 × 12,657.84
  4. Step 4: Simplify right side
    27,453.84x = 521,245,800.69
  5. Step 5: Solve for x
    x = 521,245,800.69/27,453.84
  6. Step 6: Final answer
    x = 18,986.26

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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.