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Finding the Fourth Proportional to 71,021.27, 106,527.73 and 26,644.31

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Solution

The fourth proportional to 71,021.27, 106,527.73 and 26,644.31 is: 39,964.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,021.27 : 106,527.73 = 26,644.31 : x
  2. Step 2: Convert to fraction form
    71,021.27/106,527.73 = 26,644.31/x
  3. Step 3: Cross multiply
    71,021.27x = 106,527.73 × 26,644.31
  4. Step 4: Simplify right side
    71,021.27x = 2,838,357,861.72
  5. Step 5: Solve for x
    x = 2,838,357,861.72/71,021.27
  6. Step 6: Final answer
    x = 39,964.90

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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.