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Finding the Fourth Proportional to 8,203.18, 12,304.16 and 3,273.93

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Solution

The fourth proportional to 8,203.18, 12,304.16 and 3,273.93 is: 4,910.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,203.18 : 12,304.16 = 3,273.93 : x
  2. Step 2: Convert to fraction form
    8,203.18/12,304.16 = 3,273.93/x
  3. Step 3: Cross multiply
    8,203.18x = 12,304.16 × 3,273.93
  4. Step 4: Simplify right side
    8,203.18x = 40,282,880.66
  5. Step 5: Solve for x
    x = 40,282,880.66/8,203.18
  6. Step 6: Final answer
    x = 4,910.64

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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.