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Finding the Fourth Proportional to 63,462.87, 87,578.76 and 35,174.02

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Solution

The fourth proportional to 63,462.87, 87,578.76 and 35,174.02 is: 48,540.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,462.87 : 87,578.76 = 35,174.02 : x
  2. Step 2: Convert to fraction form
    63,462.87/87,578.76 = 35,174.02/x
  3. Step 3: Cross multiply
    63,462.87x = 87,578.76 × 35,174.02
  4. Step 4: Simplify right side
    63,462.87x = 3,080,497,131.98
  5. Step 5: Solve for x
    x = 3,080,497,131.98/63,462.87
  6. Step 6: Final answer
    x = 48,540.15

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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.