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Finding the Fourth Proportional to 8,675.59, 13,015.19 and 3,481.87

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Solution

The fourth proportional to 8,675.59, 13,015.19 and 3,481.87 is: 5,223.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,675.59 : 13,015.19 = 3,481.87 : x
  2. Step 2: Convert to fraction form
    8,675.59/13,015.19 = 3,481.87/x
  3. Step 3: Cross multiply
    8,675.59x = 13,015.19 × 3,481.87
  4. Step 4: Simplify right side
    8,675.59x = 45,317,199.61
  5. Step 5: Solve for x
    x = 45,317,199.61/8,675.59
  6. Step 6: Final answer
    x = 5,223.53

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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.