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Finding the Fourth Proportional to 11,487.46, 17,221.04 and 6,795.94

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Solution

The fourth proportional to 11,487.46, 17,221.04 and 6,795.94 is: 10,187.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,487.46 : 17,221.04 = 6,795.94 : x
  2. Step 2: Convert to fraction form
    11,487.46/17,221.04 = 6,795.94/x
  3. Step 3: Cross multiply
    11,487.46x = 17,221.04 × 6,795.94
  4. Step 4: Simplify right side
    11,487.46x = 117,033,154.58
  5. Step 5: Solve for x
    x = 117,033,154.58/11,487.46
  6. Step 6: Final answer
    x = 10,187.91

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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.