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Finding the Fourth Proportional to 8,871.58, 13,309.17 and 3,324.82

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Solution

The fourth proportional to 8,871.58, 13,309.17 and 3,324.82 is: 4,987.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,871.58 : 13,309.17 = 3,324.82 : x
  2. Step 2: Convert to fraction form
    8,871.58/13,309.17 = 3,324.82/x
  3. Step 3: Cross multiply
    8,871.58x = 13,309.17 × 3,324.82
  4. Step 4: Simplify right side
    8,871.58x = 44,250,594.60
  5. Step 5: Solve for x
    x = 44,250,594.60/8,871.58
  6. Step 6: Final answer
    x = 4,987.90

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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.