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Finding the Fourth Proportional to 32,694.73, 44,977.14 and 28,643.31

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Solution

The fourth proportional to 32,694.73, 44,977.14 and 28,643.31 is: 39,403.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,694.73 : 44,977.14 = 28,643.31 : x
  2. Step 2: Convert to fraction form
    32,694.73/44,977.14 = 28,643.31/x
  3. Step 3: Cross multiply
    32,694.73x = 44,977.14 × 28,643.31
  4. Step 4: Simplify right side
    32,694.73x = 1,288,293,939.05
  5. Step 5: Solve for x
    x = 1,288,293,939.05/32,694.73
  6. Step 6: Final answer
    x = 39,403.72

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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.