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Finding the Fourth Proportional to 6,624.38, 9,936.56 and 1,694.03

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Solution

The fourth proportional to 6,624.38, 9,936.56 and 1,694.03 is: 2,541.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,624.38 : 9,936.56 = 1,694.03 : x
  2. Step 2: Convert to fraction form
    6,624.38/9,936.56 = 1,694.03/x
  3. Step 3: Cross multiply
    6,624.38x = 9,936.56 × 1,694.03
  4. Step 4: Simplify right side
    6,624.38x = 16,832,785.29
  5. Step 5: Solve for x
    x = 16,832,785.29/6,624.38
  6. Step 6: Final answer
    x = 2,541.03

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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.