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Finding the Fourth Proportional to 27,437.71, 41,159 and 7,716.43

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Solution

The fourth proportional to 27,437.71, 41,159 and 7,716.43 is: 11,575.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,437.71 : 41,159 = 7,716.43 : x
  2. Step 2: Convert to fraction form
    27,437.71/41,159 = 7,716.43/x
  3. Step 3: Cross multiply
    27,437.71x = 41,159 × 7,716.43
  4. Step 4: Simplify right side
    27,437.71x = 317,600,542.37
  5. Step 5: Solve for x
    x = 317,600,542.37/27,437.71
  6. Step 6: Final answer
    x = 11,575.33

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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.