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Finding the Fourth Proportional to 11,876.74, 17,798.10 and 6,671.68

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Solution

The fourth proportional to 11,876.74, 17,798.10 and 6,671.68 is: 9,997.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,876.74 : 17,798.10 = 6,671.68 : x
  2. Step 2: Convert to fraction form
    11,876.74/17,798.10 = 6,671.68/x
  3. Step 3: Cross multiply
    11,876.74x = 17,798.10 × 6,671.68
  4. Step 4: Simplify right side
    11,876.74x = 118,743,227.81
  5. Step 5: Solve for x
    x = 118,743,227.81/11,876.74
  6. Step 6: Final answer
    x = 9,997.96

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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.