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Finding the Fourth Proportional to 41,771.67, 62,654.67 and 19,590

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Solution

The fourth proportional to 41,771.67, 62,654.67 and 19,590 is: 29,383.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,771.67 : 62,654.67 = 19,590 : x
  2. Step 2: Convert to fraction form
    41,771.67/62,654.67 = 19,590/x
  3. Step 3: Cross multiply
    41,771.67x = 62,654.67 × 19,590
  4. Step 4: Simplify right side
    41,771.67x = 1,227,404,985.30
  5. Step 5: Solve for x
    x = 1,227,404,985.30/41,771.67
  6. Step 6: Final answer
    x = 29,383.67

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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.