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Finding the Fourth Proportional to 63,369.57, 87,420.47 and 36,496.50

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Solution

The fourth proportional to 63,369.57, 87,420.47 and 36,496.50 is: 50,348.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,369.57 : 87,420.47 = 36,496.50 : x
  2. Step 2: Convert to fraction form
    63,369.57/87,420.47 = 36,496.50/x
  3. Step 3: Cross multiply
    63,369.57x = 87,420.47 × 36,496.50
  4. Step 4: Simplify right side
    63,369.57x = 3,190,540,918.92
  5. Step 5: Solve for x
    x = 3,190,540,918.92/63,369.57
  6. Step 6: Final answer
    x = 50,348.16

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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.