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Finding the Fourth Proportional to 18,496.41, 27,744.81 and 5,348.90

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Solution

The fourth proportional to 18,496.41, 27,744.81 and 5,348.90 is: 8,023.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,496.41 : 27,744.81 = 5,348.90 : x
  2. Step 2: Convert to fraction form
    18,496.41/27,744.81 = 5,348.90/x
  3. Step 3: Cross multiply
    18,496.41x = 27,744.81 × 5,348.90
  4. Step 4: Simplify right side
    18,496.41x = 148,404,214.21
  5. Step 5: Solve for x
    x = 148,404,214.21/18,496.41
  6. Step 6: Final answer
    x = 8,023.41

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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.