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Finding the Fourth Proportional to 18,048.71, 27,072.45 and 6,361.63

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Solution

The fourth proportional to 18,048.71, 27,072.45 and 6,361.63 is: 9,542.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,048.71 : 27,072.45 = 6,361.63 : x
  2. Step 2: Convert to fraction form
    18,048.71/27,072.45 = 6,361.63/x
  3. Step 3: Cross multiply
    18,048.71x = 27,072.45 × 6,361.63
  4. Step 4: Simplify right side
    18,048.71x = 172,224,910.09
  5. Step 5: Solve for x
    x = 172,224,910.09/18,048.71
  6. Step 6: Final answer
    x = 9,542.23

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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.