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Finding the Fourth Proportional to 66,463.25, 99,654.68 and 26,488.37

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Solution

The fourth proportional to 66,463.25, 99,654.68 and 26,488.37 is: 39,716.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,463.25 : 99,654.68 = 26,488.37 : x
  2. Step 2: Convert to fraction form
    66,463.25/99,654.68 = 26,488.37/x
  3. Step 3: Cross multiply
    66,463.25x = 99,654.68 × 26,488.37
  4. Step 4: Simplify right side
    66,463.25x = 2,639,690,351.43
  5. Step 5: Solve for x
    x = 2,639,690,351.43/66,463.25
  6. Step 6: Final answer
    x = 39,716.54

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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.