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Finding the Fourth Proportional to 27,343.99, 41,016.87 and 8,624.21

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Solution

The fourth proportional to 27,343.99, 41,016.87 and 8,624.21 is: 12,936.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,343.99 : 41,016.87 = 8,624.21 : x
  2. Step 2: Convert to fraction form
    27,343.99/41,016.87 = 8,624.21/x
  3. Step 3: Cross multiply
    27,343.99x = 41,016.87 × 8,624.21
  4. Step 4: Simplify right side
    27,343.99x = 353,737,895.34
  5. Step 5: Solve for x
    x = 353,737,895.34/27,343.99
  6. Step 6: Final answer
    x = 12,936.59

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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.