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Finding the Fourth Proportional to 29,974.50, 41,364.81 and 16,726.50

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Solution

The fourth proportional to 29,974.50, 41,364.81 and 16,726.50 is: 23,082.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,974.50 : 41,364.81 = 16,726.50 : x
  2. Step 2: Convert to fraction form
    29,974.50/41,364.81 = 16,726.50/x
  3. Step 3: Cross multiply
    29,974.50x = 41,364.81 × 16,726.50
  4. Step 4: Simplify right side
    29,974.50x = 691,888,494.47
  5. Step 5: Solve for x
    x = 691,888,494.47/29,974.50
  6. Step 6: Final answer
    x = 23,082.57

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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.