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Finding the Fourth Proportional to 41,286.52, 61,869.02 and 18,462.68

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Solution

The fourth proportional to 41,286.52, 61,869.02 and 18,462.68 is: 27,666.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,286.52 : 61,869.02 = 18,462.68 : x
  2. Step 2: Convert to fraction form
    41,286.52/61,869.02 = 18,462.68/x
  3. Step 3: Cross multiply
    41,286.52x = 61,869.02 × 18,462.68
  4. Step 4: Simplify right side
    41,286.52x = 1,142,267,748.52
  5. Step 5: Solve for x
    x = 1,142,267,748.52/41,286.52
  6. Step 6: Final answer
    x = 27,666.84

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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.