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Finding the Fourth Proportional to 63,709.05, 87,919.56 and 35,029.88

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Solution

The fourth proportional to 63,709.05, 87,919.56 and 35,029.88 is: 48,341.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,709.05 : 87,919.56 = 35,029.88 : x
  2. Step 2: Convert to fraction form
    63,709.05/87,919.56 = 35,029.88/x
  3. Step 3: Cross multiply
    63,709.05x = 87,919.56 × 35,029.88
  4. Step 4: Simplify right side
    63,709.05x = 3,079,811,636.45
  5. Step 5: Solve for x
    x = 3,079,811,636.45/63,709.05
  6. Step 6: Final answer
    x = 48,341.83

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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.