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Finding the Fourth Proportional to 52,991.89, 79,497.99 and 17,463.47

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Solution

The fourth proportional to 52,991.89, 79,497.99 and 17,463.47 is: 26,198.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,991.89 : 79,497.99 = 17,463.47 : x
  2. Step 2: Convert to fraction form
    52,991.89/79,497.99 = 17,463.47/x
  3. Step 3: Cross multiply
    52,991.89x = 79,497.99 × 17,463.47
  4. Step 4: Simplify right side
    52,991.89x = 1,388,310,365.94
  5. Step 5: Solve for x
    x = 1,388,310,365.94/52,991.89
  6. Step 6: Final answer
    x = 26,198.55

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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.