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Finding the Fourth Proportional to 63,042.87, 86,993.28 and 34,748.37

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Solution

The fourth proportional to 63,042.87, 86,993.28 and 34,748.37 is: 47,949.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,042.87 : 86,993.28 = 34,748.37 : x
  2. Step 2: Convert to fraction form
    63,042.87/86,993.28 = 34,748.37/x
  3. Step 3: Cross multiply
    63,042.87x = 86,993.28 × 34,748.37
  4. Step 4: Simplify right side
    63,042.87x = 3,022,874,680.95
  5. Step 5: Solve for x
    x = 3,022,874,680.95/63,042.87
  6. Step 6: Final answer
    x = 47,949.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.