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Finding the Fourth Proportional to 41,658.48, 62,474.64 and 13,950

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Solution

The fourth proportional to 41,658.48, 62,474.64 and 13,950 is: 20,920.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,658.48 : 62,474.64 = 13,950 : x
  2. Step 2: Convert to fraction form
    41,658.48/62,474.64 = 13,950/x
  3. Step 3: Cross multiply
    41,658.48x = 62,474.64 × 13,950
  4. Step 4: Simplify right side
    41,658.48x = 871,521,228
  5. Step 5: Solve for x
    x = 871,521,228/41,658.48
  6. Step 6: Final answer
    x = 20,920.62

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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.