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Finding the Fourth Proportional to 44,695.56, 66,965.94 and 27,128.56

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Solution

The fourth proportional to 44,695.56, 66,965.94 and 27,128.56 is: 40,645.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,695.56 : 66,965.94 = 27,128.56 : x
  2. Step 2: Convert to fraction form
    44,695.56/66,965.94 = 27,128.56/x
  3. Step 3: Cross multiply
    44,695.56x = 66,965.94 × 27,128.56
  4. Step 4: Simplify right side
    44,695.56x = 1,816,689,521.25
  5. Step 5: Solve for x
    x = 1,816,689,521.25/44,695.56
  6. Step 6: Final answer
    x = 40,645.86

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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.