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Finding the Fourth Proportional to 63,538, 87,668.32 and 36,674.82

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Solution

The fourth proportional to 63,538, 87,668.32 and 36,674.82 is: 50,603.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,538 : 87,668.32 = 36,674.82 : x
  2. Step 2: Convert to fraction form
    63,538/87,668.32 = 36,674.82/x
  3. Step 3: Cross multiply
    63,538x = 87,668.32 × 36,674.82
  4. Step 4: Simplify right side
    63,538x = 3,215,219,855.70
  5. Step 5: Solve for x
    x = 3,215,219,855.70/63,538
  6. Step 6: Final answer
    x = 50,603.10

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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.