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Finding the Fourth Proportional to 41,391, 62,093 and 13,695.48

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Solution

The fourth proportional to 41,391, 62,093 and 13,695.48 is: 20,545.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,391 : 62,093 = 13,695.48 : x
  2. Step 2: Convert to fraction form
    41,391/62,093 = 13,695.48/x
  3. Step 3: Cross multiply
    41,391x = 62,093 × 13,695.48
  4. Step 4: Simplify right side
    41,391x = 850,393,439.64
  5. Step 5: Solve for x
    x = 850,393,439.64/41,391
  6. Step 6: Final answer
    x = 20,545.37

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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.