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Finding the Fourth Proportional to 8,881, 13,321.50 and 3,335.62

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Solution

The fourth proportional to 8,881, 13,321.50 and 3,335.62 is: 5,003.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,881 : 13,321.50 = 3,335.62 : x
  2. Step 2: Convert to fraction form
    8,881/13,321.50 = 3,335.62/x
  3. Step 3: Cross multiply
    8,881x = 13,321.50 × 3,335.62
  4. Step 4: Simplify right side
    8,881x = 44,435,461.83
  5. Step 5: Solve for x
    x = 44,435,461.83/8,881
  6. Step 6: Final answer
    x = 5,003.43

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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.