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Finding the Fourth Proportional to 52,943.99, 79,397.01 and 19,201.49

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Solution

The fourth proportional to 52,943.99, 79,397.01 and 19,201.49 is: 28,795.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,943.99 : 79,397.01 = 19,201.49 : x
  2. Step 2: Convert to fraction form
    52,943.99/79,397.01 = 19,201.49/x
  3. Step 3: Cross multiply
    52,943.99x = 79,397.01 × 19,201.49
  4. Step 4: Simplify right side
    52,943.99x = 1,524,540,496.56
  5. Step 5: Solve for x
    x = 1,524,540,496.56/52,943.99
  6. Step 6: Final answer
    x = 28,795.35

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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.