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Finding the Fourth Proportional to 8,588.03, 12,879.25 and 2,743.25

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Solution

The fourth proportional to 8,588.03, 12,879.25 and 2,743.25 is: 4,113.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,588.03 : 12,879.25 = 2,743.25 : x
  2. Step 2: Convert to fraction form
    8,588.03/12,879.25 = 2,743.25/x
  3. Step 3: Cross multiply
    8,588.03x = 12,879.25 × 2,743.25
  4. Step 4: Simplify right side
    8,588.03x = 35,331,002.56
  5. Step 5: Solve for x
    x = 35,331,002.56/8,588.03
  6. Step 6: Final answer
    x = 4,113.98

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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.