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Finding the Fourth Proportional to 63,491.88, 87,615.36 and 36,632.82

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Solution

The fourth proportional to 63,491.88, 87,615.36 and 36,632.82 is: 50,551.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,491.88 : 87,615.36 = 36,632.82 : x
  2. Step 2: Convert to fraction form
    63,491.88/87,615.36 = 36,632.82/x
  3. Step 3: Cross multiply
    63,491.88x = 87,615.36 × 36,632.82
  4. Step 4: Simplify right side
    63,491.88x = 3,209,597,712.12
  5. Step 5: Solve for x
    x = 3,209,597,712.12/63,491.88
  6. Step 6: Final answer
    x = 50,551.31

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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.