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Finding the Fourth Proportional to 26,707.84, 40,059.84 and 11,918.08

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Solution

The fourth proportional to 26,707.84, 40,059.84 and 11,918.08 is: 17,876.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,707.84 : 40,059.84 = 11,918.08 : x
  2. Step 2: Convert to fraction form
    26,707.84/40,059.84 = 11,918.08/x
  3. Step 3: Cross multiply
    26,707.84x = 40,059.84 × 11,918.08
  4. Step 4: Simplify right side
    26,707.84x = 477,436,377.91
  5. Step 5: Solve for x
    x = 477,436,377.91/26,707.84
  6. Step 6: Final answer
    x = 17,876.26

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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.