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Finding the Fourth Proportional to 8,499.80, 12,747.78 and 3,232.94

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Solution

The fourth proportional to 8,499.80, 12,747.78 and 3,232.94 is: 4,848.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,499.80 : 12,747.78 = 3,232.94 : x
  2. Step 2: Convert to fraction form
    8,499.80/12,747.78 = 3,232.94/x
  3. Step 3: Cross multiply
    8,499.80x = 12,747.78 × 3,232.94
  4. Step 4: Simplify right side
    8,499.80x = 41,212,807.87
  5. Step 5: Solve for x
    x = 41,212,807.87/8,499.80
  6. Step 6: Final answer
    x = 4,848.68

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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.