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Finding the Fourth Proportional to 50,637.66, 69,879.97 and 28,281.66

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Solution

The fourth proportional to 50,637.66, 69,879.97 and 28,281.66 is: 39,028.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,637.66 : 69,879.97 = 28,281.66 : x
  2. Step 2: Convert to fraction form
    50,637.66/69,879.97 = 28,281.66/x
  3. Step 3: Cross multiply
    50,637.66x = 69,879.97 × 28,281.66
  4. Step 4: Simplify right side
    50,637.66x = 1,976,321,166.57
  5. Step 5: Solve for x
    x = 1,976,321,166.57/50,637.66
  6. Step 6: Final answer
    x = 39,028.69

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.