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Finding the Fourth Proportional to 48,672.81, 67,161.83 and 29,805.93

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Solution

The fourth proportional to 48,672.81, 67,161.83 and 29,805.93 is: 41,128.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,672.81 : 67,161.83 = 29,805.93 : x
  2. Step 2: Convert to fraction form
    48,672.81/67,161.83 = 29,805.93/x
  3. Step 3: Cross multiply
    48,672.81x = 67,161.83 × 29,805.93
  4. Step 4: Simplify right side
    48,672.81x = 2,001,820,654.62
  5. Step 5: Solve for x
    x = 2,001,820,654.62/48,672.81
  6. Step 6: Final answer
    x = 41,128.11

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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.