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Finding the Fourth Proportional to 63,605.25, 87,775.25 and 35,311.14

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Solution

The fourth proportional to 63,605.25, 87,775.25 and 35,311.14 is: 48,729.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,605.25 : 87,775.25 = 35,311.14 : x
  2. Step 2: Convert to fraction form
    63,605.25/87,775.25 = 35,311.14/x
  3. Step 3: Cross multiply
    63,605.25x = 87,775.25 × 35,311.14
  4. Step 4: Simplify right side
    63,605.25x = 3,099,443,964.73
  5. Step 5: Solve for x
    x = 3,099,443,964.73/63,605.25
  6. Step 6: Final answer
    x = 48,729.37

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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.