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Finding the Fourth Proportional to 8,367.66, 12,551.48 and 3,173.54

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Solution

The fourth proportional to 8,367.66, 12,551.48 and 3,173.54 is: 4,760.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,367.66 : 12,551.48 = 3,173.54 : x
  2. Step 2: Convert to fraction form
    8,367.66/12,551.48 = 3,173.54/x
  3. Step 3: Cross multiply
    8,367.66x = 12,551.48 × 3,173.54
  4. Step 4: Simplify right side
    8,367.66x = 39,832,569.02
  5. Step 5: Solve for x
    x = 39,832,569.02/8,367.66
  6. Step 6: Final answer
    x = 4,760.30

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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.