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Finding the Fourth Proportional to 63,629.88, 87,810.29 and 34,952.20

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Solution

The fourth proportional to 63,629.88, 87,810.29 and 34,952.20 is: 48,234.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,629.88 : 87,810.29 = 34,952.20 : x
  2. Step 2: Convert to fraction form
    63,629.88/87,810.29 = 34,952.20/x
  3. Step 3: Cross multiply
    63,629.88x = 87,810.29 × 34,952.20
  4. Step 4: Simplify right side
    63,629.88x = 3,069,162,818.14
  5. Step 5: Solve for x
    x = 3,069,162,818.14/63,629.88
  6. Step 6: Final answer
    x = 48,234.62

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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.