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Finding the Fourth Proportional to 27,073.17, 40,605.09 and 7,353.31

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Solution

The fourth proportional to 27,073.17, 40,605.09 and 7,353.31 is: 11,028.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,073.17 : 40,605.09 = 7,353.31 : x
  2. Step 2: Convert to fraction form
    27,073.17/40,605.09 = 7,353.31/x
  3. Step 3: Cross multiply
    27,073.17x = 40,605.09 × 7,353.31
  4. Step 4: Simplify right side
    27,073.17x = 298,581,814.35
  5. Step 5: Solve for x
    x = 298,581,814.35/27,073.17
  6. Step 6: Final answer
    x = 11,028.70

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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.