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Finding the Fourth Proportional to 40,954.66, 61,425.14 and 11,375.48

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Solution

The fourth proportional to 40,954.66, 61,425.14 and 11,375.48 is: 17,061.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,954.66 : 61,425.14 = 11,375.48 : x
  2. Step 2: Convert to fraction form
    40,954.66/61,425.14 = 11,375.48/x
  3. Step 3: Cross multiply
    40,954.66x = 61,425.14 × 11,375.48
  4. Step 4: Simplify right side
    40,954.66x = 698,740,633.57
  5. Step 5: Solve for x
    x = 698,740,633.57/40,954.66
  6. Step 6: Final answer
    x = 17,061.32

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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.