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Finding the Fourth Proportional to 63,468.21, 87,583.07 and 36,619.38

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Solution

The fourth proportional to 63,468.21, 87,583.07 and 36,619.38 is: 50,532.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,468.21 : 87,583.07 = 36,619.38 : x
  2. Step 2: Convert to fraction form
    63,468.21/87,583.07 = 36,619.38/x
  3. Step 3: Cross multiply
    63,468.21x = 87,583.07 × 36,619.38
  4. Step 4: Simplify right side
    63,468.21x = 3,207,237,721.90
  5. Step 5: Solve for x
    x = 3,207,237,721.90/63,468.21
  6. Step 6: Final answer
    x = 50,532.98

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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.