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Finding the Fourth Proportional to 8,908.65, 13,352.64 and 3,358.44

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Solution

The fourth proportional to 8,908.65, 13,352.64 and 3,358.44 is: 5,033.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,908.65 : 13,352.64 = 3,358.44 : x
  2. Step 2: Convert to fraction form
    8,908.65/13,352.64 = 3,358.44/x
  3. Step 3: Cross multiply
    8,908.65x = 13,352.64 × 3,358.44
  4. Step 4: Simplify right side
    8,908.65x = 44,844,040.28
  5. Step 5: Solve for x
    x = 44,844,040.28/8,908.65
  6. Step 6: Final answer
    x = 5,033.76

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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.