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Finding the Fourth Proportional to 18,246.77, 27,369.99 and 5,766.79

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Solution

The fourth proportional to 18,246.77, 27,369.99 and 5,766.79 is: 8,650.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,246.77 : 27,369.99 = 5,766.79 : x
  2. Step 2: Convert to fraction form
    18,246.77/27,369.99 = 5,766.79/x
  3. Step 3: Cross multiply
    18,246.77x = 27,369.99 × 5,766.79
  4. Step 4: Simplify right side
    18,246.77x = 157,836,984.63
  5. Step 5: Solve for x
    x = 157,836,984.63/18,246.77
  6. Step 6: Final answer
    x = 8,650.13

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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.