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Finding the Fourth Proportional to 18,227.27, 27,340.90 and 4,376.27

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Solution

The fourth proportional to 18,227.27, 27,340.90 and 4,376.27 is: 6,564.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,227.27 : 27,340.90 = 4,376.27 : x
  2. Step 2: Convert to fraction form
    18,227.27/27,340.90 = 4,376.27/x
  3. Step 3: Cross multiply
    18,227.27x = 27,340.90 × 4,376.27
  4. Step 4: Simplify right side
    18,227.27x = 119,651,160.44
  5. Step 5: Solve for x
    x = 119,651,160.44/18,227.27
  6. Step 6: Final answer
    x = 6,564.40

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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.