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Finding the Fourth Proportional to 43,166.28, 64,723.44 and 16,883.40

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Solution

The fourth proportional to 43,166.28, 64,723.44 and 16,883.40 is: 25,314.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,166.28 : 64,723.44 = 16,883.40 : x
  2. Step 2: Convert to fraction form
    43,166.28/64,723.44 = 16,883.40/x
  3. Step 3: Cross multiply
    43,166.28x = 64,723.44 × 16,883.40
  4. Step 4: Simplify right side
    43,166.28x = 1,092,751,726.90
  5. Step 5: Solve for x
    x = 1,092,751,726.90/43,166.28
  6. Step 6: Final answer
    x = 25,314.94

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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.