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Finding the Fourth Proportional to 63,272.88, 87,318.72 and 36,424.08

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Solution

The fourth proportional to 63,272.88, 87,318.72 and 36,424.08 is: 50,266.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,272.88 : 87,318.72 = 36,424.08 : x
  2. Step 2: Convert to fraction form
    63,272.88/87,318.72 = 36,424.08/x
  3. Step 3: Cross multiply
    63,272.88x = 87,318.72 × 36,424.08
  4. Step 4: Simplify right side
    63,272.88x = 3,180,504,042.78
  5. Step 5: Solve for x
    x = 3,180,504,042.78/63,272.88
  6. Step 6: Final answer
    x = 50,266.47

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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.