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Finding the Fourth Proportional to 8,871.30, 13,305.24 and 3,324.24

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Solution

The fourth proportional to 8,871.30, 13,305.24 and 3,324.24 is: 4,985.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,871.30 : 13,305.24 = 3,324.24 : x
  2. Step 2: Convert to fraction form
    8,871.30/13,305.24 = 3,324.24/x
  3. Step 3: Cross multiply
    8,871.30x = 13,305.24 × 3,324.24
  4. Step 4: Simplify right side
    8,871.30x = 44,229,811.02
  5. Step 5: Solve for x
    x = 44,229,811.02/8,871.30
  6. Step 6: Final answer
    x = 4,985.72

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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.