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Finding the Fourth Proportional to 52,738.43, 79,099.11 and 19,474.16

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Solution

The fourth proportional to 52,738.43, 79,099.11 and 19,474.16 is: 29,208.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,738.43 : 79,099.11 = 19,474.16 : x
  2. Step 2: Convert to fraction form
    52,738.43/79,099.11 = 19,474.16/x
  3. Step 3: Cross multiply
    52,738.43x = 79,099.11 × 19,474.16
  4. Step 4: Simplify right side
    52,738.43x = 1,540,388,328.50
  5. Step 5: Solve for x
    x = 1,540,388,328.50/52,738.43
  6. Step 6: Final answer
    x = 29,208.08

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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.