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Finding the Fourth Proportional to 52,913.36, 79,371.90 and 17,375.49

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Solution

The fourth proportional to 52,913.36, 79,371.90 and 17,375.49 is: 26,063.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,913.36 : 79,371.90 = 17,375.49 : x
  2. Step 2: Convert to fraction form
    52,913.36/79,371.90 = 17,375.49/x
  3. Step 3: Cross multiply
    52,913.36x = 79,371.90 × 17,375.49
  4. Step 4: Simplify right side
    52,913.36x = 1,379,125,654.73
  5. Step 5: Solve for x
    x = 1,379,125,654.73/52,913.36
  6. Step 6: Final answer
    x = 26,063.84

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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.