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Finding the Fourth Proportional to 63,384.07, 87,489.47 and 36,544.49

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Solution

The fourth proportional to 63,384.07, 87,489.47 and 36,544.49 is: 50,442.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,384.07 : 87,489.47 = 36,544.49 : x
  2. Step 2: Convert to fraction form
    63,384.07/87,489.47 = 36,544.49/x
  3. Step 3: Cross multiply
    63,384.07x = 87,489.47 × 36,544.49
  4. Step 4: Simplify right side
    63,384.07x = 3,197,257,878.80
  5. Step 5: Solve for x
    x = 3,197,257,878.80/63,384.07
  6. Step 6: Final answer
    x = 50,442.61

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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.