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Finding the Fourth Proportional to 8,483.25, 12,725.10 and 3,551.61

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Solution

The fourth proportional to 8,483.25, 12,725.10 and 3,551.61 is: 5,327.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,483.25 : 12,725.10 = 3,551.61 : x
  2. Step 2: Convert to fraction form
    8,483.25/12,725.10 = 3,551.61/x
  3. Step 3: Cross multiply
    8,483.25x = 12,725.10 × 3,551.61
  4. Step 4: Simplify right side
    8,483.25x = 45,194,592.41
  5. Step 5: Solve for x
    x = 45,194,592.41/8,483.25
  6. Step 6: Final answer
    x = 5,327.51

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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.