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Finding the Fourth Proportional to 50,488.64, 75,635.82 and 28,234.52

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Solution

The fourth proportional to 50,488.64, 75,635.82 and 28,234.52 is: 42,297.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,488.64 : 75,635.82 = 28,234.52 : x
  2. Step 2: Convert to fraction form
    50,488.64/75,635.82 = 28,234.52/x
  3. Step 3: Cross multiply
    50,488.64x = 75,635.82 × 28,234.52
  4. Step 4: Simplify right side
    50,488.64x = 2,135,541,072.51
  5. Step 5: Solve for x
    x = 2,135,541,072.51/50,488.64
  6. Step 6: Final answer
    x = 42,297.46

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.