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Finding the Fourth Proportional to 8,825, 12,179.10 and 5,099

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Solution

The fourth proportional to 8,825, 12,179.10 and 5,099 is: 7,036.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,825 : 12,179.10 = 5,099 : x
  2. Step 2: Convert to fraction form
    8,825/12,179.10 = 5,099/x
  3. Step 3: Cross multiply
    8,825x = 12,179.10 × 5,099
  4. Step 4: Simplify right side
    8,825x = 62,101,230.90
  5. Step 5: Solve for x
    x = 62,101,230.90/8,825
  6. Step 6: Final answer
    x = 7,036.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.