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Finding the Fourth Proportional to 17,874.00, 24,669.07 and 9,918.79

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Solution

The fourth proportional to 17,874.00, 24,669.07 and 9,918.79 is: 13,689.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,874.00 : 24,669.07 = 9,918.79 : x
  2. Step 2: Convert to fraction form
    17,874.00/24,669.07 = 9,918.79/x
  3. Step 3: Cross multiply
    17,874.00x = 24,669.07 × 9,918.79
  4. Step 4: Simplify right side
    17,874.00x = 244,687,151.89
  5. Step 5: Solve for x
    x = 244,687,151.89/17,874.00
  6. Step 6: Final answer
    x = 13,689.56

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.