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Finding the Fourth Proportional to 41,647.70, 62,499.21 and 19,462.79

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Solution

The fourth proportional to 41,647.70, 62,499.21 and 19,462.79 is: 29,207.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,647.70 : 62,499.21 = 19,462.79 : x
  2. Step 2: Convert to fraction form
    41,647.70/62,499.21 = 19,462.79/x
  3. Step 3: Cross multiply
    41,647.70x = 62,499.21 × 19,462.79
  4. Step 4: Simplify right side
    41,647.70x = 1,216,408,999.40
  5. Step 5: Solve for x
    x = 1,216,408,999.40/41,647.70
  6. Step 6: Final answer
    x = 29,207.11

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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.