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Finding the Fourth Proportional to 50,963.82, 76,379.76 and 28,473.90

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Solution

The fourth proportional to 50,963.82, 76,379.76 and 28,473.90 is: 42,673.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,963.82 : 76,379.76 = 28,473.90 : x
  2. Step 2: Convert to fraction form
    50,963.82/76,379.76 = 28,473.90/x
  3. Step 3: Cross multiply
    50,963.82x = 76,379.76 × 28,473.90
  4. Step 4: Simplify right side
    50,963.82x = 2,174,829,648.26
  5. Step 5: Solve for x
    x = 2,174,829,648.26/50,963.82
  6. Step 6: Final answer
    x = 42,673.99

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Why These Related Problems?

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