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Finding the Fourth Proportional to 18,635.43, 27,958.01 and 6,948.75

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Solution

The fourth proportional to 18,635.43, 27,958.01 and 6,948.75 is: 10,424.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,635.43 : 27,958.01 = 6,948.75 : x
  2. Step 2: Convert to fraction form
    18,635.43/27,958.01 = 6,948.75/x
  3. Step 3: Cross multiply
    18,635.43x = 27,958.01 × 6,948.75
  4. Step 4: Simplify right side
    18,635.43x = 194,273,187.24
  5. Step 5: Solve for x
    x = 194,273,187.24/18,635.43
  6. Step 6: Final answer
    x = 10,424.94

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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.