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Finding the Fourth Proportional to 63,404.49, 87,476.94 and 36,546.43

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Solution

The fourth proportional to 63,404.49, 87,476.94 and 36,546.43 is: 50,421.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,404.49 : 87,476.94 = 36,546.43 : x
  2. Step 2: Convert to fraction form
    63,404.49/87,476.94 = 36,546.43/x
  3. Step 3: Cross multiply
    63,404.49x = 87,476.94 × 36,546.43
  4. Step 4: Simplify right side
    63,404.49x = 3,196,969,864.32
  5. Step 5: Solve for x
    x = 3,196,969,864.32/63,404.49
  6. Step 6: Final answer
    x = 50,421.82

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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.