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Finding the Fourth Proportional to 8,914.22, 13,372.04 and 2,340.38

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Solution

The fourth proportional to 8,914.22, 13,372.04 and 2,340.38 is: 3,510.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,914.22 : 13,372.04 = 2,340.38 : x
  2. Step 2: Convert to fraction form
    8,914.22/13,372.04 = 2,340.38/x
  3. Step 3: Cross multiply
    8,914.22x = 13,372.04 × 2,340.38
  4. Step 4: Simplify right side
    8,914.22x = 31,295,576.41
  5. Step 5: Solve for x
    x = 31,295,576.41/8,914.22
  6. Step 6: Final answer
    x = 3,510.75

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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.