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Finding the Fourth Proportional to 63,338.82, 87,406.87 and 34,658.37

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Solution

The fourth proportional to 63,338.82, 87,406.87 and 34,658.37 is: 47,828.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,338.82 : 87,406.87 = 34,658.37 : x
  2. Step 2: Convert to fraction form
    63,338.82/87,406.87 = 34,658.37/x
  3. Step 3: Cross multiply
    63,338.82x = 87,406.87 × 34,658.37
  4. Step 4: Simplify right side
    63,338.82x = 3,029,379,593.90
  5. Step 5: Solve for x
    x = 3,029,379,593.90/63,338.82
  6. Step 6: Final answer
    x = 47,828.16

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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.