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Finding the Fourth Proportional to 8,308.92, 12,452.54 and 3,372.78

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Solution

The fourth proportional to 8,308.92, 12,452.54 and 3,372.78 is: 5,054.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,308.92 : 12,452.54 = 3,372.78 : x
  2. Step 2: Convert to fraction form
    8,308.92/12,452.54 = 3,372.78/x
  3. Step 3: Cross multiply
    8,308.92x = 12,452.54 × 3,372.78
  4. Step 4: Simplify right side
    8,308.92x = 41,999,661.00
  5. Step 5: Solve for x
    x = 41,999,661.00/8,308.92
  6. Step 6: Final answer
    x = 5,054.77

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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.