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Finding the Fourth Proportional to 63,621.80, 87,798.89 and 34,937.27

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Solution

The fourth proportional to 63,621.80, 87,798.89 and 34,937.27 is: 48,213.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,621.80 : 87,798.89 = 34,937.27 : x
  2. Step 2: Convert to fraction form
    63,621.80/87,798.89 = 34,937.27/x
  3. Step 3: Cross multiply
    63,621.80x = 87,798.89 × 34,937.27
  4. Step 4: Simplify right side
    63,621.80x = 3,067,453,800.57
  5. Step 5: Solve for x
    x = 3,067,453,800.57/63,621.80
  6. Step 6: Final answer
    x = 48,213.88

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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.