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Finding the Fourth Proportional to 63,369.61, 87,469.53 and 36,530.06

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Solution

The fourth proportional to 63,369.61, 87,469.53 and 36,530.06 is: 50,422.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,369.61 : 87,469.53 = 36,530.06 : x
  2. Step 2: Convert to fraction form
    63,369.61/87,469.53 = 36,530.06/x
  3. Step 3: Cross multiply
    63,369.61x = 87,469.53 × 36,530.06
  4. Step 4: Simplify right side
    63,369.61x = 3,195,267,179.07
  5. Step 5: Solve for x
    x = 3,195,267,179.07/63,369.61
  6. Step 6: Final answer
    x = 50,422.71

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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.