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Finding the Fourth Proportional to 41,491.34, 62,230.90 and 15,189.96

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Solution

The fourth proportional to 41,491.34, 62,230.90 and 15,189.96 is: 22,782.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,491.34 : 62,230.90 = 15,189.96 : x
  2. Step 2: Convert to fraction form
    41,491.34/62,230.90 = 15,189.96/x
  3. Step 3: Cross multiply
    41,491.34x = 62,230.90 × 15,189.96
  4. Step 4: Simplify right side
    41,491.34x = 945,284,881.76
  5. Step 5: Solve for x
    x = 945,284,881.76/41,491.34
  6. Step 6: Final answer
    x = 22,782.70

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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.