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Finding the Fourth Proportional to 41,992, 62,998.80 and 15,696.92

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Solution

The fourth proportional to 41,992, 62,998.80 and 15,696.92 is: 23,549.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,992 : 62,998.80 = 15,696.92 : x
  2. Step 2: Convert to fraction form
    41,992/62,998.80 = 15,696.92/x
  3. Step 3: Cross multiply
    41,992x = 62,998.80 × 15,696.92
  4. Step 4: Simplify right side
    41,992x = 988,887,123.70
  5. Step 5: Solve for x
    x = 988,887,123.70/41,992
  6. Step 6: Final answer
    x = 23,549.42

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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.