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Finding the Fourth Proportional to 8,753.94, 13,138.44 and 4,808.76

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Solution

The fourth proportional to 8,753.94, 13,138.44 and 4,808.76 is: 7,217.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,753.94 : 13,138.44 = 4,808.76 : x
  2. Step 2: Convert to fraction form
    8,753.94/13,138.44 = 4,808.76/x
  3. Step 3: Cross multiply
    8,753.94x = 13,138.44 × 4,808.76
  4. Step 4: Simplify right side
    8,753.94x = 63,179,604.73
  5. Step 5: Solve for x
    x = 63,179,604.73/8,753.94
  6. Step 6: Final answer
    x = 7,217.28

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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.