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Finding the Fourth Proportional to 52,808.93, 79,213.56 and 13,366.03

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Solution

The fourth proportional to 52,808.93, 79,213.56 and 13,366.03 is: 20,049.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,808.93 : 79,213.56 = 13,366.03 : x
  2. Step 2: Convert to fraction form
    52,808.93/79,213.56 = 13,366.03/x
  3. Step 3: Cross multiply
    52,808.93x = 79,213.56 × 13,366.03
  4. Step 4: Simplify right side
    52,808.93x = 1,058,770,819.37
  5. Step 5: Solve for x
    x = 1,058,770,819.37/52,808.93
  6. Step 6: Final answer
    x = 20,049.09

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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.