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Finding the Fourth Proportional to 8,580.73, 12,874.13 and 3,032.64

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Solution

The fourth proportional to 8,580.73, 12,874.13 and 3,032.64 is: 4,550.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,580.73 : 12,874.13 = 3,032.64 : x
  2. Step 2: Convert to fraction form
    8,580.73/12,874.13 = 3,032.64/x
  3. Step 3: Cross multiply
    8,580.73x = 12,874.13 × 3,032.64
  4. Step 4: Simplify right side
    8,580.73x = 39,042,601.60
  5. Step 5: Solve for x
    x = 39,042,601.60/8,580.73
  6. Step 6: Final answer
    x = 4,550.03

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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.