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Finding the Fourth Proportional to 48,584.67, 72,866.67 and 20,493.87

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Solution

The fourth proportional to 48,584.67, 72,866.67 and 20,493.87 is: 30,736.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,584.67 : 72,866.67 = 20,493.87 : x
  2. Step 2: Convert to fraction form
    48,584.67/72,866.67 = 20,493.87/x
  3. Step 3: Cross multiply
    48,584.67x = 72,866.67 × 20,493.87
  4. Step 4: Simplify right side
    48,584.67x = 1,493,320,062.31
  5. Step 5: Solve for x
    x = 1,493,320,062.31/48,584.67
  6. Step 6: Final answer
    x = 30,736.45

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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.