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Finding the Fourth Proportional to 34,859.80, 52,203.30 and 27,947.80

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Solution

The fourth proportional to 34,859.80, 52,203.30 and 27,947.80 is: 41,852.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,859.80 : 52,203.30 = 27,947.80 : x
  2. Step 2: Convert to fraction form
    34,859.80/52,203.30 = 27,947.80/x
  3. Step 3: Cross multiply
    34,859.80x = 52,203.30 × 27,947.80
  4. Step 4: Simplify right side
    34,859.80x = 1,458,967,387.74
  5. Step 5: Solve for x
    x = 1,458,967,387.74/34,859.80
  6. Step 6: Final answer
    x = 41,852.43

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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.