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Finding the Fourth Proportional to 8,243.80, 12,352.19 and 3,496.17

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Solution

The fourth proportional to 8,243.80, 12,352.19 and 3,496.17 is: 5,238.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,243.80 : 12,352.19 = 3,496.17 : x
  2. Step 2: Convert to fraction form
    8,243.80/12,352.19 = 3,496.17/x
  3. Step 3: Cross multiply
    8,243.80x = 12,352.19 × 3,496.17
  4. Step 4: Simplify right side
    8,243.80x = 43,185,356.11
  5. Step 5: Solve for x
    x = 43,185,356.11/8,243.80
  6. Step 6: Final answer
    x = 5,238.53

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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.