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Finding the Fourth Proportional to 27,207.63, 40,817.99 and 11,403.99

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Solution

The fourth proportional to 27,207.63, 40,817.99 and 11,403.99 is: 17,108.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,207.63 : 40,817.99 = 11,403.99 : x
  2. Step 2: Convert to fraction form
    27,207.63/40,817.99 = 11,403.99/x
  3. Step 3: Cross multiply
    27,207.63x = 40,817.99 × 11,403.99
  4. Step 4: Simplify right side
    27,207.63x = 465,487,978.29
  5. Step 5: Solve for x
    x = 465,487,978.29/27,207.63
  6. Step 6: Final answer
    x = 17,108.73

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.