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Finding the Fourth Proportional to 63,397.63, 87,468.89 and 36,536.46

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Solution

The fourth proportional to 63,397.63, 87,468.89 and 36,536.46 is: 50,408.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,397.63 : 87,468.89 = 36,536.46 : x
  2. Step 2: Convert to fraction form
    63,397.63/87,468.89 = 36,536.46/x
  3. Step 3: Cross multiply
    63,397.63x = 87,468.89 × 36,536.46
  4. Step 4: Simplify right side
    63,397.63x = 3,195,803,418.05
  5. Step 5: Solve for x
    x = 3,195,803,418.05/63,397.63
  6. Step 6: Final answer
    x = 50,408.88

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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.