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Finding the Fourth Proportional to 63,366.75, 87,436.32 and 36,504

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Solution

The fourth proportional to 63,366.75, 87,436.32 and 36,504 is: 50,369.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,366.75 : 87,436.32 = 36,504 : x
  2. Step 2: Convert to fraction form
    63,366.75/87,436.32 = 36,504/x
  3. Step 3: Cross multiply
    63,366.75x = 87,436.32 × 36,504
  4. Step 4: Simplify right side
    63,366.75x = 3,191,775,425.28
  5. Step 5: Solve for x
    x = 3,191,775,425.28/63,366.75
  6. Step 6: Final answer
    x = 50,369.88

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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.